Description
When you’re pushing your engine to the limit on the track, spark plug performance becomes non-negotiable. The 683 Racing Plug S59C delivers the reliable ignition timing and heat range you need to maintain consistent combustion across high-RPM applications. Built to Champion Racing specifications, this plug ensures no misfires when every lap counts.
- Champion Racing plug
- 14 mm thread
- 0.689 in reach
- Tapered seat design
- Non-resistor construction
- Sold individually
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