COMP Cams 3121 - Hi-Tech Roller Timing Set, FC Ford

COMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for 4? incremental adjustability with 4? maximum advance or retard. These timing sets are dynamically balanced and quality checked for run-out tolerances.

Cast iron camshaft gear and induction hardened billet steel crank sprocket; Features 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degreemaximum advance/retard; Pre-stretched, heat-treated double roller chain with heavy-duty large pin design; chain available separately; Dynamically balanced and quality checked for run-out tolerances; Ideal for all street performance and race applications