Ignition System Components

NGK, three ranges colder than stock 5.0, 5/8" Hex, .035" gap, projection type for Aluminum heads (Each) NGK V-Power® Economical performance and improved ignitability over standard NGK Spark Plugs original equipment manufacturer and racer approved...

NGK, two ranges colder than stock 5.0, 5/8 Hex, .035" gap, projection type for Aluminum heads (Each)NGK V-Power® Economical performance and improved ignitability over standard NGK Spark Plugs original equipment manufacturer and racer approved...

NGK Spark Plug 1 range colder than stock. Recommended for Forced Induction (EA.)

NGK Spark Plug  TR61 range colder than stock on 96-04 GT. Recommended for Forced Induction Standard plug on Lightning 99-04, 03-04 Cobra & 07-10 GT-500 (Ea.) Colder plugs for use with GT40 Iron heads