Hot Cams 4002-1IN Camshaft 767887391088 Brand Sierra International Model 18-7222

Brand Sierra International Model 18-7222

its recommended that you replace your springs Barnett clutch springs are pre-set

Aluminum reinforcement

Brand ACDelco Model 12497971

this lightly scented baby oil is easy to spread

Hot Cams 4002-1IN Camshaft 767887391088 Brand Sierra International Model 18-7222Brand Hot Cams Model 4002 1IN Best performance gain for the money and effort Ready to install Made in USA Not re welded or re ground Dual cam motor: intake and exhaust cams sold separately. Excellent mid range increase, improved throttle response, and smooth power delivery. Intake comes with adjustable sprocket (factory preset at 105). Exhaust cam includes auto decompression mechanism.