These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve float A 6000+ rpm cam for stock heads and springs with hydraulic lifters Bolt-in cam for light bikes (FXRS, etc.) adds significant mid-range power without affecting idle Must check coil bind, valve-to-valve clearance and valve-to-piston clearance. Made in the U.S.A.. ANDR EV3 CAM.495 LIF84-99
