LIFTERS RS OVERSIZED OD 0.843-0.8435, +.001 OD

Designed for engines with radical valve spring pressures and large lift camshaft Optimize valvetrain stability at high rpm, decrease valve float, maintain maximum valve lift, increase horsepower and torque output CNC machined and precison ground with 0.700" diameter rollers maintaining proper and critical oil flow to top end with metered oiling Utilizes standard pushrod seat height Feuling recommends the use of Race Series® adjustable pushrods or comparable heavy duty adjustable pushrods. Made in the USA For best results Feuling recommends the use of a high volume oil pump.