Champion 401S Spark Plug

Buick Lucerne

4.6L V8 Gas DOHC .045 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Cadillac DTS

4.6L V8 Gas DOHC .045 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Cadillac Escalade

6.2L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Cadillac Escalade

6.2L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Cadillac Escalade

6.0L V8 Electric/Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Cadillac Escalade ESV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Cadillac Escalade EXT

6.2L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Cadillac Escalade EXT

6.2L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Avalanche

5.3L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Camaro

6.2L V8 Gas OHV,
6.2L V8 Gas OHV Supercharged .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
SS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Camaro

6.2L V8 Gas DOHC .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
SS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Camaro

6.2L V8 Gas DOHC,
6.2L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Caprice

6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Colorado

5.3L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Corvette

6.2L V8 Gas OHV,
6.2L V8 Gas OHV Supercharged .040 GAP
PLUG TYPE RS12YC
BASE MODEL
COPPER PLUS
GRAND SPORT
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Express 1500

5.3L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Express 2500

6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Express 2500

6.0L V8 CNG OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Express 2500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 CNG OHV,
6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Express 3500

4.8L V8 Flex OHV,
6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Express 4500

6.0L V8 CNG OHV,
6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Express 4500

6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 1500

4.8L V8 Flex OHV,
5.3L V8 Flex OHV,
6.0L V8 Electric/Flex OHV,
6.2L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 1500

4.8L V8 Flex OHV,
5.3L V8 Flex OHV,
6.0L V8 Electric/Flex OHV,
6.2L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV,
6.0L V8 Flex OHV,
6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 2500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 3500

6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 3500

6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 3500

6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 3500 HD

6.0L V8 CNG OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 3500 HD

6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Silverado 3500 HD

6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet SS

6.2L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Suburban

5.3L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Suburban 1500

5.3L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Suburban 1500

5.3L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Suburban 2500

6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Tahoe

5.3L V8 Flex OHV,
5.3L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Chevrolet Tahoe

6.0L V8 Electric/Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Ford Crown Victoria

4.6L V8 Gas SOHC .054 GAP
PLUG TYPE RS12YC
COPPER PLUS
GAS ENG
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Ford E-150

4.6L V8 Flex SOHC .044 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Ford E-250

4.6L V8 Flex SOHC .044 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Ford Escape

3.0L V6 Flex DOHC,
3.0L V6 Gas DOHC .048 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
6 Per Vehicle

Ford Focus

2.0L l4 Gas DOHC .051 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
4 Per Vehicle

Ford Fusion

3.0L V6 Flex DOHC .048 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
6 Per Vehicle

Ford Fusion

3.0L V6 Gas DOHC .048 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
6 Per Vehicle

Ford Ranger

2.3L l4 Gas DOHC .051 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
4 Per Vehicle

GMC Canyon

5.3L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Savana 1500

5.3L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Savana 2500

4.8L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Savana 2500

6.0L V8 CNG OHV,
6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Savana 3500

6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Savana 3500

4.8L V8 Flex OHV,
6.0L V8 CNG OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Savana 4500

6.0L V8 CNG OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Savana 4500

6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Sierra 1500

4.8L V8 Flex OHV,
5.3L V8 Flex OHV,
6.0L V8 Electric/Flex OHV,
6.2L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Sierra 2500 HD

6.0L V8 CNG OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Sierra 2500 HD

6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Sierra 2500 HD

6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Sierra 3500 HD

6.0L V8 CNG OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Sierra 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Yukon

5.3L V8 Flex OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Yukon

6.0L V8 Electric/Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Yukon XL 1500

5.3L V8 Flex OHV,
6.2L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

GMC Yukon XL 2500

6.0L V8 Flex OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Isuzu NPR

6.0L V8 CNG OHV,
6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Isuzu NPR-HD

6.0L V8 CNG OHV,
6.0L V8 Gas OHV .040 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

Lincoln Town Car

4.6L V8 Flex SOHC .054 GAP
PLUG TYPE RS12YC
COPPER PLUS
VIN W, GAS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle

VPG MV-1

4.6L V8 CNG SOHC,
4.6L V8 Gas SOHC .044 GAP
PLUG TYPE RS12YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle