Evo compression release valve set

High quality and M10x1 threaded. Easy electric starting of big and high compression motors. Push to activate and auto-close. With 5-7 Newton closing force, for high performance applications. Knobs are molded for 'a cool touch' and easy operation with a warm engine. KPMI brand embossed. A: M10x1 threaded. B: 1.400" Overall length. C: Thread length 0.350".

Fits: > 84-99 Evo style engines