Mazworx Shimless SR20VE Intake and Exhaust Valves are recommended for High RPM, High Power applications, or where the rev limiter is constantly hit. Retainers require machining.
Comes in either standard or oversized.
P12 heads are required to change to 6mm guides.
Lashing is done by tipping of the valve.
Comes as a complete set of 8 Intake Valves and 8 Inconel Exhaust Valves.