COMP Cams Hi-Tech Roller Timing Set CB

Cast Iron Camshaft Gear and induction hardened billet Steel crank sprocket. Feature 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 design Featuring a cast iron cam gear and billet steel crank gear, this 3-bolt double roller Hi-Tech timing set for .010" undersized align bored Chevrolet Big Block is ideal for all street performance and race applications.