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  3. Ignition
  4. Secondary Ignition
  5. Spark Plug
  6. Denso 5731

Denso 5731 Spark Plug

Denso 5731 Spark Plug
Denso 5731 Spark Plug Image 1
Denso 5731 Spark Plug

Denso
Brand:Denso
Part Number: 5731
UPC: 042511057319
Weight: 0.15 lbs
Condition:New



On Sale:

$30.19

Availability:
23 in Stock
Warehouse: US-7
Quantity:

Product Information

Description:

Get the Denso 5731 Spark Plug for your vehicle. Buy now and secure your purchase online!

No-compromise, top of the line race spark plug for the most serious enthusiast.

Specifications:

Center Electrode Core Material:
Copper
Center Electrode Tip Material:
Iridium
Gap Size:
0.6 mm
Ground Configuration:
Slant
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Full Platinum
Hex Size:
16.0 mm
Manufacturer Heat Range:
27
Reach:
19.00 mm
Resistance:
5000 ohms
Seat Type:
Flat
Thread Diameter:
12.00 mm
DENSO Auto Parts #:
IXU01-27
Country of Origin:
JP

Select a vehicle to narrow Denso 5731 Spark Plug fitment info!

Last Updated: 11/09/2023

Years Vehicle Per Vehicle Fit NotesFitment Notes

2003

 

2002

 

2001

 

2003

 

2002

 

2001

 
Aprilia RST1000 Futura

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Aprilia RST1000 Futura



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Aprilia RSV Mille

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Aprilia RSV Mille



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

2004

 

2003

 

2002

 

2001

 

2000

 
Aprilia RSV Mille R

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Aprilia RSV Mille R



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2003

 

2002

 

2001

 

2000

 

2003

 

2002

 

2001

 

2000

 
Aprilia SL1000 Falco

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Aprilia SL1000 Falco



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2006

 

2005

 

2004

 

2006

 

2005

 

2004

 
Aprilia Tuono 1000 R

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Aprilia Tuono 1000 R



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2008

 

2007

 

2006

 

2005

 

2008

 

2007

 

2006

 

2005

 
BMW K1200R

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

BMW K1200R



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2008

 

2007

 

2006

 

2005

 

2008

 

2007

 

2006

 

2005

 
BMW K1200S

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

BMW K1200S



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2009

 

2009

 
BMW K1300GT

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

BMW K1300GT



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2009

 

2009

 
BMW K1300S

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

BMW K1300S



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1998

 

1998

 
Ducati 916 Biposto

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Ducati 916 Biposto



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

2001

 

2000

 

2001

 

2000

 
Ducati Monster 600

-L U/K
2
 
Iridium Racing
Gap 0.025
Cold Plug
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Ducati Monster 600



-L U/K Iridium Racing
Gap 0.025
Cold Plug
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1999

 

1998

 

1997

 

1999

 

1998

 

1997

 
Ducati Monster 600

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Ducati Monster 600



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1995

 

1994

 

1995

 

1994

 
Honda CB1000

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda CB1000



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1983

 

1983

 
Honda CB1000C Custom

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda CB1000C Custom



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1983

 

1983

 
Honda CB1100F

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda CB1100F



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1982

 

1981

 

1980

 

1982

 

1981

 

1980

 
Honda CB900C Custom

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda CB900C Custom



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Honda CB900F Super Sport

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda CB900F Super Sport



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1996

 

1995

 

1994

 

1993

 
Honda CBR1000F

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda CBR1000F



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Honda CBR1000F Hurricane

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda CBR1000F Hurricane



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1986

 

1985

 

1986

 

1985

 
Honda VF1000R

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda VF1000R



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1986

 

1986

 
Honda VF500F Interceptor

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda VF500F Interceptor



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1986

 

1986

 
Honda VFR700F Interceptor

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda VFR700F Interceptor



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1986

 

1986

 
Honda VFR750F Interceptor

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda VFR750F Interceptor



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
Honda VTR1000 Super Hawk

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Honda VTR1000 Super Hawk



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1990

 

1989

 

1988

 

1990

 

1989

 

1988

 
Kawasaki EN450A 454 LTD

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EN450A 454 LTD



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1986

 

1985

 

1986

 

1985

 
Kawasaki EN450A 454 LTD

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EN450A 454 LTD



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Kawasaki EN500 Vulcan 500

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EN500 Vulcan 500



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

2009

 

2009

 
Kawasaki EN500C Vulcan 500 LTD

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EN500C Vulcan 500 LTD



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

2008

 

2008

 
Kawasaki EN500C Vulcan 500 LTD

-L U/K
2
 
Iridium Racing
Gap 0.025
Cold Plug
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EN500C Vulcan 500 LTD



-L U/K Iridium Racing
Gap 0.025
Cold Plug
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Kawasaki EN500C Vulcan 500 LTD

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EN500C Vulcan 500 LTD



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 
Kawasaki EX500

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EX500



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1996

 

1995

 

1994

 

1996

 

1995

 

1994

 
Kawasaki EX500 Ninja 500

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EX500 Ninja 500



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Kawasaki EX500 Ninja 500R

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki EX500 Ninja 500R



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
Kawasaki KLF220 Bayou

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki KLF220 Bayou



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Kawasaki KLF250 Bayou

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki KLF250 Bayou



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Kawasaki KLR250

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki KLR250



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1982

 

1981

 

1982

 

1981

 
Kawasaki KZ305 CSR

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki KZ305 CSR



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1988

 

1987

 

1988

 

1987

 
Kawasaki KZ305B LTD

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki KZ305B LTD



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1997

 

1996

 

1997

 

1996

 
Kawasaki ZL600 Eliminator

-L U/K
4
 
Iridium Racing
Gap 0.025
ZL600-A
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZL600 Eliminator



-L U/K Iridium Racing
Gap 0.025
ZL600-A
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1987

 

1986

 

1987

 

1986

 
Kawasaki ZL600 Eliminator

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZL600 Eliminator



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1991

 

1990

 

1991

 

1990

 
Kawasaki ZR550 Zephyr

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZR550 Zephyr



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1992

 

1991

 

1992

 

1991

 
Kawasaki ZR750C Zephyr

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZR750C Zephyr



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1987

 

1987

 
Kawasaki ZX1000 Ninja 1000R

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZX1000 Ninja 1000R



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1985

 

1984

 

1985

 

1984

 
Kawasaki ZX550 GPZ

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZX550 GPZ



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1997

 

1996

 

1995

 

1997

 

1996

 

1995

 
Kawasaki ZX600 Ninja 600R

-L U/K
4
 
Iridium Racing
Gap 0.025
Not E and F
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZX600 Ninja 600R



-L U/K Iridium Racing
Gap 0.025
Not E and F
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1994

 

1994

 
Kawasaki ZX600 Ninja 600R

-L U/K
4
 
Iridium Racing
Gap 0.025
B Model
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZX600 Ninja 600R



-L U/K Iridium Racing
Gap 0.025
B Model
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Kawasaki ZX600 Ninja 600R

-L U/K
4
 
Iridium Racing
Gap 0.025
C Model
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZX600 Ninja 600R



-L U/K Iridium Racing
Gap 0.025
C Model
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1989

 

1988

 

1987

 

1986

 

1985

 
Kawasaki ZX600 Ninja 600R

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZX600 Ninja 600R



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1985

 

1984

 

1983

 

1985

 

1984

 

1983

 
Kawasaki ZX750 GPZ

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Kawasaki ZX750 GPZ



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

2004

 

2003

 

2004

 

2003

 
KTM 660 Rally

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

KTM 660 Rally



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1998

 

1998

 
Moto Guzzi V10 Centauro GT

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Moto Guzzi V10 Centauro GT



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2007

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Suzuki DR-Z250

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki DR-Z250



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Suzuki DR250

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki DR250



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1995

 

1994

 

1993

 

1995

 

1994

 

1993

 
Suzuki DR250SE

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki DR250SE



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Suzuki DR350

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki DR350



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Suzuki DR350S

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki DR350S



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1993

 

1992

 

1991

 

1990

 
Suzuki DR650S

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki DR650S



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1986

 

1985

 

1984

 

1986

 

1985

 

1984

 
Suzuki GS1150E

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki GS1150E



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1981

 

1980

 

1981

 

1980

 
Suzuki GS250T

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki GS250T



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1983

 

1982

 

1983

 

1982

 
Suzuki GS300L

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki GS300L



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 
Suzuki GSF1200S Bandit

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki GSF1200S Bandit



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1988

 

1987

 

1986

 

1988

 

1987

 

1986

 
Suzuki GSX-R1100

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki GSX-R1100



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1989

 

1988

 

1987

 

1986

 
Suzuki GSX-R750

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki GSX-R750



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 
Suzuki GSX600F Katana

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki GSX600F Katana



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Suzuki GSX750F Katana

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki GSX750F Katana



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1985

 

1985

 
Suzuki SP600

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki SP600



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle

1983

 

1983

 
Suzuki XN85 Turbo

-L U/K
4
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Suzuki XN85 Turbo



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

4 Per Vehicle

1993

 

1992

 

1993

 

1992

 
Yamaha TDM850

-L U/K
2
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Yamaha TDM850



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

2 Per Vehicle

1974

 

1973

 

1974

 

1973

 
Yamaha TX500

-L U/K
1
 
Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode
 

Yamaha TX500



-L U/K Iridium Racing
Gap 0.025
Iridium Racing
Professional Competition Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) with Patented Ir Alloy (90% Ir), and 100% Solid Platinum Ground Electrode

1 Per Vehicle