| S&S Cams are tested on the dyno, street and track before being offered to the public. With hundreds of hours of testing on each cam, you know you are getting the best cam S&S can produce. Best performance gains 3500-6500 rpm. Compatible with stock valvesprings and stock non-adjustable pushrods. Made in the U.S.A.. NOTE: Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance.. Intake- Open: 22deg., Close: 38deg., Duration @ .053: 240deg., Valve Lift: .482in.. Exhaust- Open: 48deg., Close: 11deg., Duration @ .053: 234deg., Valve Lift | .482in. |