COM3100 Timing Set Hi-Tech Roller Race Chevy SBC

Hi-Tech Roller Race Timing Sets; Chevy SBC '55-91 (Except w/ OE Roller Cam)
Cast Iron camshaft gear and induction hardened billet steel crank sprocket
3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard
Pre-stretched, heat-treated double roller chain with heavy-duty large pin
For all street performance and race applications