600 Cam – Evolution
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, Requires high-lift springs, Works well in large-displacement engines 9.5 to 10.5:1 compression, Makes best power in mid-range, Works with hydraulic or solid tappets, Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance., Made in the U.S.A.