Autolite Racing Spark Plug, Non-Resistor

Autolite Racing Spark Plug, Non-Resistor

Autolite Racing Spark Plug, Non-Resistor Opens spark face for better ignitability of flame kernel Retains less heat, transfers heat to shell faster - reduces risk of pre-ignition Dyno testing has shown proven power gains Replacement racing spark plug used by many professional car drivers Specifically designed with colder heat ranges than the factory plug to handle added power Coated in an anti-corrosive nickel plating to prevent rusting