E3 Spark Plug E3.36 Powersports Spark Plug, Pack of 1
- Replacement racing spark plug used by many professional car drivers.
- Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions.
- Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition.
- Thread Diameter- 12mm. Thread Reach- 0.750 inch. Hex Size- 5/8 inch.