This S&S 450S cam is for 1978-1984 Harley-Davidson® big twin models. This cam is recommended for engines up to 88 inch with 8.5:1 compression ratio. This is a bolt in cam that provides good low and mid range torque solid or hydraulic.
Hydraulic tappets recommended. 1980-1981 engines require conversion to late style valve guides
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE ON ANY EPA POLLUTION CONTROLLED MOTOR VEHICLE.
Not legal for sale or use on CA or EPA pollution controlled motorcycles.