AUTOLITE Racing Plugs

Racing Plugs Spark Plug - Racing - 14 mm Thread - 0.750 in Reach - Gasket Seat - Non-Resistor - Each - Outdoor (Y/N): No - Item Depth: 3.5 - Number of Pieces: 1 - Item Weight: 0.11 - Item Height: 1.05 - Item Width: 1.05

Replacement racing spark plug used by many professional car drivers Specifically designed with colder heat ranges than the factory plug to handle added power Contains an Yttrium-enhanced alloy to enable up to 8% reduction in sidewire 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