|
| 12 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V12 Gas DOHC
Copper Plus Plug Type RS12YC Gap .040
12 Per Vehicle
|
|
| 12 | Copper Plus Plug Type RS12YC Gap .052
|
6.0L V12 Gas DOHC
Copper Plus Plug Type RS12YC Gap .052
12 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .032
|
3.7L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .032
8 Per Vehicle
|
|
Buick LaCrosse
5.3L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Buick Lucerne
4.6L V8 Gas DOHC
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
Buick Rainier
5.3L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.7L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Cadillac Escalade
6.0L V8 Electric/Flex OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Electric/Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Cadillac Escalade
6.0L V8 Electric/Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Electric/Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.6L V8 Gas DOHC
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Avalanche
5.3L V8 Gas OHV, 6.0L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV, 6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050
|
5.7L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .050
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 4 | Copper Plus Plug Type RS12YC Gap .050
|
2.4L L4 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
4 Per Vehicle
|
|
| 4 | Copper Plus Plug Type RS12YC Gap .060
|
2.4L L4 Gas DOHC
Copper Plus Plug Type RS12YC Gap .060
4 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.7L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050 8th VIN Digit: 5
|
5.7L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .050 8th VIN Digit: 5
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050 8th VIN Digit: P
|
5.7L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .050 8th VIN Digit: P
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .050 8th VIN Digit: P Num Eng Valves: 16
|
5.7L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .050 8th VIN Digit: P Num Eng Valves: 16
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .060
|
5.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .060
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.8L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Express 2500
4.8L V8 Gas OHV, 6.0L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.8L V8 Gas OHV, 6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Express 2500
5.3L V8 Gas OHV, 6.0L V8 CNG OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV, 6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .060
|
5.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .060
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.8L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Express 3500
4.8L V8 Gas OHV, 6.0L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.8L V8 Gas OHV, 6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 4 | Copper Plus Plug Type RS12YC Gap .050
|
2.4L L4 Gas DOHC
Copper Plus Plug Type RS12YC Gap .050
4 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 1500
4.8L V8 Flex OHV, 6.0L V8 Electric/Flex OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.8L V8 Flex OHV, 6.0L V8 Electric/Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 1500
6.0L V8 Electric/Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Electric/Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 1500
4.8L V8 Gas OHV, 5.3L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
4.8L V8 Gas OHV, 5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 1500
5.3L V8 Electric/Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Electric/Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 1500 Classic
4.8L V8 Gas OHV, 5.3L V8 Electric/Gas OHV, 5.3L V8 Flex OHV, 5.3L V8 Gas OHV, 6.0L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
Chevrolet Silverado 1500 Classic
4.8L V8 Gas OHV, 5.3L V8 Electric/Gas OHV, 5.3L V8 Flex OHV, 5.3L V8 Gas OHV, 6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 1500 HD Classic
6.0L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
Chevrolet Silverado 1500 HD Classic
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 2500
6.0L V8 Bi-Fuel OHV, 6.0L V8 CNG OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Bi-Fuel OHV, 6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 2500 HD
6.0L V8 Bi-Fuel OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Bi-Fuel OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 2500 HD Classic
6.0L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
Chevrolet Silverado 2500 HD Classic
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
Chevrolet Silverado 3500 Classic
6.0L V8 Gas OHV
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
Chevrolet Silverado 3500 Classic
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Flex OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 CNG OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.2L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
6.0L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
|
| 8 | Copper Plus Plug Type RS12YC Gap .040
|
5.3L V8 Gas OHV
Copper Plus Plug Type RS12YC Gap .040
8 Per Vehicle
|
See More Fitments on Page 2 - or - Select Your Vehicle Above |