0.55" Copper Spark Plug Call for Price  Quantity Available: Discontinued   Call for Price

Constructed with a corrosion-resistant zinc-plated shell.

- Electrode: Nickel Copper Alloy
- Fill Gap Size: 0.032 to 0.038 in
- Hex Size: 5/8 in
- Length: 6.44
- Material: Copper
- Suitable for: 4-Cycle Engines
- Thread Size: 0.551 in
- Dependable performance
- Copper core center electrode allows for accurate control of heat range for longer life
- Patented SAC-9 semi conductor resistor for maximum corrosion resistance

SKU: 0516419
Manufacturer: Champion Auto Parts
Manufacturer Part #: RC12YC