Product Information
- 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
- Features cut back ground electrode for improved ignitability of flame kernel
- Coated in an anti-corrosive nickel plating to prevent rusting
