501 Series Performance Head W/ seats and guides 42 Intake 37.5 Exhaust 914 JE Forgings are made from 00-9400-0
Yard notes & kiln story
Description
501 Series Performance Head W seats and guides 42 Intake 37.5 Exhaust 914 JE Forgings are made from 00 9400 0 JE Forgings are made from 2618 Aluminum with a zero offset stainless steel 32mm exhaust valves Plug Size: 12mm (ReplacementNGK Number is D8EA) Made from an AA 501 Series Casting