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  2. Auto Parts
  3. Ignition
  4. Secondary Ignition
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  6. Denso 5330

Denso 5330 Spark Plug

Denso 5330 Spark Plug
Denso 5330 Spark Plug Image 1
Denso 5330 Spark Plug

Denso
Brand:Denso
Part Number: 5330
UPC: 042511053304
Weight: 0.09 lbs
Condition:New



On Sale:

$7.36

Availability:
128 in Stock
Warehouse: US-4
Quantity:

Product Information

Description:

Get the Denso 5330 Spark Plug for your vehicle. Buy now and secure your purchase online!

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Tip Material:
Iridium
Gap Size:
1.1 mm
Ground Configuration:
Standard
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Tapercut, U-Groove
Hex Size:
16.0 mm
Manufacturer Heat Range:
16
Reach:
11.60 mm
Resistance:
5000 ohms
Seat Type:
Tapered
Thread Diameter:
14.00 mm
Chrysler #:
4289 155
DENSO Auto Parts #:
ITF16
Ford #:
ASF42
Ford #:
ASF42C
Ford #:
ASF42CF4
Ford #:
ASF42P
Ford #:
ASF52
General Motors #:
19208523
General Motors #:
19300383
General Motors #:
19300873
General Motors #:
19301654
General Motors #:
19302742
General Motors #:
19310656
General Motors #:
5613302
General Motors #:
5613794
General Motors #:
5613842
General Motors #:
5613867
General Motors #:
5613877
General Motors #:
5613935
General Motors #:
5613956
General Motors #:
5613957
General Motors #:
5614229
General Motors #:
5614243
General Motors #:
88901021
General Motors #:
88901022
Country of Origin:
JP

Select a vehicle to narrow Denso 5330 Spark Plug fitment info!

Last Updated: 11/08/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

1985

 

1984

 

1983

 

1982

 

1981

 

1985

 

1984

 

1983

 

1982

 

1981

 
Avanti II

5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Avanti II



5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1980

 

1979

 

1978

 

1977

 
Avanti II

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Avanti II



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1976

 

1975

 

1974

 

1973

 

1976

 

1975

 

1974

 

1973

 
Avanti II

6.6L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Avanti II



6.6L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1972

 

1971

 

1970

 

1972

 

1971

 

1970

 
Avanti II

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Avanti II



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1975

 

1974

 

1973

 

1975

 

1974

 

1973

 
Buick Apollo

4.1L L6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Apollo



4.1L L6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1975

 

1974

 

1973

 

1975

 

1974

 

1973

 
Buick Apollo

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Apollo



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1973

 

1973

 
Buick Centurion

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Centurion



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1973

 

1972

 

1971

 

1973

 

1972

 

1971

 
Buick Centurion

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Centurion



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Buick Century

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1985

 

1984

 

1983

 

1982

 
Buick Century

3.0L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



3.0L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1981

 

1980

 

1981

 

1980

 
Buick Century

4.3L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



4.3L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1981

 

1980

 

1979

 

1978

 

1977

 

1981

 

1980

 

1979

 

1978

 

1977

 
Buick Century

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Buick Century

3.8L V6 Gas OHV Turbo
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



3.8L V6 Gas OHV Turbo Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Buick Century

4.9L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



4.9L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1980

 

1979

 

1978

 

1977

 
Buick Century

5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Buick Century

3.2L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



3.2L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1979

 

1978

 

1977

 

1976

 

1975

 

1974

 

1973

 

1979

 

1978

 

1977

 

1976

 

1975

 

1974

 

1973

 
Buick Century

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1977

 

1977

 
Buick Century

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: L
 

Buick Century



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: L

8 Per Vehicle

1974

 

1973

 

1974

 

1973

 
Buick Century

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Century



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1991

 

1991

 
Buick Commercial Chassis

5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Commercial Chassis



5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1985

 

1985

 
Buick Electra

3.0L V6 Gas OHV,
3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Electra



3.0L V6 Gas OHV,
3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Buick Electra

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Electra



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1980

 

1980

 
Buick Electra

4.9L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Electra



4.9L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Buick Electra

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: X
 

Buick Electra



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: X

8 Per Vehicle

1977

 

1977

 
Buick Electra

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Electra



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 
Buick Electra

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Electra



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1969

 

1968

 

1967

 

1969

 

1968

 

1967

 
Buick Electra

7.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Electra



7.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1967

 

1967

 
Buick Electra

7.0L V8 Gas
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Electra



7.0L V8 Gas Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1980

 

1980

 
Buick Estate Wagon

4.9L V8 Gas OHV,
5.7L V8 Diesel OHV,
5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Estate Wagon



4.9L V8 Gas OHV,
5.7L V8 Diesel OHV,
5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Buick Estate Wagon

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: X
 

Buick Estate Wagon



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: X

8 Per Vehicle

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 
Buick Estate Wagon

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Estate Wagon



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1973

 

1973

 
Buick Estate Wagon

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Estate Wagon



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1970

 

1970

 
Buick Estate Wagon

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Estate Wagon



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1967

 

1967

 
Buick Gran Sport

6.6L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Gran Sport



6.6L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1972

 

1971

 

1970

 

1972

 

1971

 

1970

 
Buick GS

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick GS



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1969

 

1968

 

1969

 

1968

 
Buick GS 350

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick GS 350



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1969

 

1968

 

1969

 

1968

 
Buick GS 400

6.6L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick GS 400



6.6L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1972

 

1971

 

1970

 

1972

 

1971

 

1970

 
Buick GS 455

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick GS 455



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1970

 

1970

 
Buick GS 455

7.5L V8 Gas
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick GS 455



7.5L V8 Gas Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 
Buick LeSabre

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1984

 

1984

 
Buick LeSabre

5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
Buick LeSabre

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Buick LeSabre

3.8L V6 Gas OHV Turbo
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



3.8L V6 Gas OHV Turbo Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Buick LeSabre

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: X
 

Buick LeSabre



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: X

8 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1980

 

1979

 

1978

 

1977

 
Buick LeSabre

4.9L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



4.9L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1978

 

1978

 
Buick LeSabre

5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1977

 

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 

1969

 

1968

 

1977

 

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 

1969

 

1968

 
Buick LeSabre

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 
Buick LeSabre

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1975

 

1975

 
Buick LeSabre

6.6L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick LeSabre



6.6L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1987

 

1986

 

1987

 

1986

 
Buick Regal

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Buick Regal

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1984

 

1984

 
Buick Regal

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1983

 

1983

 
Buick Regal

3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



3.8L V6 Gas OHV,
3.8L V6 Gas OHV Turbo,
4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1982

 

1982

 
Buick Regal

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1982

 

1981

 

1980

 

1979

 

1978

 

1982

 

1981

 

1980

 

1979

 

1978

 
Buick Regal

3.8L V6 Gas OHV Turbo
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



3.8L V6 Gas OHV Turbo Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 
Buick Regal

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1981

 

1980

 

1981

 

1980

 
Buick Regal

4.3L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



4.3L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Buick Regal

4.9L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



4.9L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1980

 

1979

 

1978

 

1977

 
Buick Regal

5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Buick Regal

3.2L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



3.2L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1977

 

1977

 
Buick Regal

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1977

 

1977

 
Buick Regal

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: L
 

Buick Regal



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: L

8 Per Vehicle

1976

 

1975

 

1974

 

1973

 

1976

 

1975

 

1974

 

1973

 
Buick Regal

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1974

 

1973

 

1974

 

1973

 
Buick Regal

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Regal



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1985

 

1985

 
Buick Riviera

3.8L V6 Gas OHV Turbo
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Riviera



3.8L V6 Gas OHV Turbo Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1984

 

1983

 

1984

 

1983

 
Buick Riviera

3.8L V6 Gas OHV Turbo,
4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Riviera



3.8L V6 Gas OHV Turbo,
4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1982

 

1982

 
Buick Riviera

3.8L V6 Gas OHV Turbo,
4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Riviera



3.8L V6 Gas OHV Turbo,
4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1981

 

1981

 
Buick Riviera

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Riviera



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1981

 

1980

 

1979

 

1981

 

1980

 

1979

 
Buick Riviera

3.8L V6 Gas OHV Turbo
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Riviera



3.8L V6 Gas OHV Turbo Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1978

 

1978

 
Buick Riviera

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: X
 

Buick Riviera



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: X

8 Per Vehicle

1977

 

1977

 
Buick Riviera

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Riviera



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 
Buick Riviera

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Riviera



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1969

 

1968

 

1967

 

1969

 

1968

 

1967

 
Buick Riviera

7.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Riviera



7.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1991

 

1991

 
Buick Roadmaster

5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Roadmaster



5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Buick Skyhawk

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skyhawk



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1978

 

1978

 
Buick Skyhawk

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skyhawk



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1977

 

1977

 
Buick Skyhawk

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skyhawk



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Buick Skylark

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Buick Skylark

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1977

 

1977

 
Buick Skylark

3.8L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



3.8L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1977

 

1977

 
Buick Skylark

4.9L V8 Gas OHV,
5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



4.9L V8 Gas OHV,
5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1977

 

1977

 
Buick Skylark

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: L
 

Buick Skylark



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
8th VIN Digit: L

8 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Buick Skylark

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1972

 

1971

 

1970

 

1969

 

1968

 

1972

 

1971

 

1970

 

1969

 

1968

 
Buick Skylark

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1971

 

1970

 

1971

 

1970

 
Buick Skylark

4.1L L6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



4.1L L6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1970

 

1970

 
Buick Skylark

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1968

 

1967

 

1968

 

1967

 
Buick Skylark

6.6L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Skylark



6.6L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1969

 

1968

 

1969

 

1968

 
Buick Special

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Special



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1972

 

1971

 

1970

 

1969

 

1968

 

1972

 

1971

 

1970

 

1969

 

1968

 
Buick Sportwagon

5.7L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Sportwagon



5.7L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1970

 

1970

 
Buick Sportwagon

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Sportwagon



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1968

 

1968

 
Buick Sportwagon

6.6L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Sportwagon



6.6L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1970

 

1970

 
Buick Wildcat

7.5L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Wildcat



7.5L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1969

 

1968

 

1967

 

1969

 

1968

 

1967

 
Buick Wildcat

7.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Buick Wildcat



7.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1992

 

1992

 
Cadillac Brougham

5.0L V8 Gas OHV
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Cadillac Brougham



5.0L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle

1982

 

1981

 

1980

 

1982

 

1981

 

1980

 
Cadillac DeVille

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Cadillac DeVille



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Cadillac Eldorado

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Cadillac Eldorado



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1982

 

1982

 
Cadillac Fleetwood

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Cadillac Fleetwood



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1981

 

1980

 

1981

 

1980

 
Cadillac Fleetwood

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Cadillac Fleetwood



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Cadillac Seville

4.1L V6 Gas OHV
6
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 

Cadillac Seville



4.1L V6 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

6 Per Vehicle
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