These hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve float For use with Andrews springs and titanium collars OK for use with hydraulic lifters Very broad powerband, 2800-6000 rpm Upgraded EV7, for 92" or larger street motors Must check coil bind, valve-to-valve clearance and valve-to-piston clearance. Made in the U.S.A.. ANDREW EV-72 CAM 84-99EVO
