Featuring an induction hardened cast iron cam gear with a billet crank gear, this Magnum timing set has a heavy-duty, heat-treated double row chain for mild/street '87-'92 OE Roller Chevrolet 4.3 and '87-'90 OE Roller Chevrolet 305-350.
Feature induction hardened cast iron Camshaft Gear and billet Steel crank sprocket. 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard. Heavy-duty, heat-treated double row timing chain
comes complete with Gears and chain. Ideal for mild street performance applications.
