Champion Spark Plug RV15YC Copper Plus NOS

Autolite 23 Copper Resistor Spark Plug - Select GM Prod/Dodge/Ford/Jeep

RV15YC Spark Plug Set Of 3. NOS

Autolite 23 Copper Resistor Spark Plug - Select GM Prod/Dodge/Ford/Jeep

Champion RN12YC Copper Plus Resistor Spark Plug - Chrysler/Ford/GM/Int’l Prod.

Champion RBL17Y Spark Plug - Select Checker/Chrysler/Dodge/Ford, GM Prod - NOS

Champion RBL15Y Spark Plug - Select Dodge/Jeep/Ford, GM Prod - NOS - Made In USA

Champion 401/RS12YC Copper Plus Spark Plug - Select Ford, GM Prod./Freightliner