S&S Cycle 78-84 BT H-Grind Camshaft

Service part for shovelhead engines. This grind is a dead-on reproduction of the stock cams used in 1978 to 1984 big twins. Perfect for repair and restoration of 74" and 80" engines. Available for generator engines with inner cam bushings or inner cam bearings, and for early and late alternator engines with different cam gear pitch diameters.

Lift at TDC: .076º/.131º Front, .076º/.131º Rear; Lifters: Hydraulic; Spring Spacing Required: No Bolt-In; Timing Intake:0º/40º Front, 20º/33º Rear; Timing Exhaust: 53º/12º Front, 53º/12º Rear; Type: H-Grind; Valve Duration: 220º/245º Front, 233º/245º Rear; Valve Lift: .389º Front, .391º Rear

Note that the front and rear cylinders have unique timing specs

S&S Cycle 78-84 BT H-Grind Camshaft