631 Cam

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

Makes best power from 4500 rpm and up

Works with solid or hydraulic tappets

Requires high-lift springs

For all high-compression engines 11:1 and up compression

Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance.

S&S Cycle #33-5080 - 631 Cam - Evolution

S&S Cycle