390/427/428 DOUBLE ROLLER TIMING CHAIN SET, M-6268-A390
- Fits: 390/427/428 FE Engines
- Full roller chain with 9-position multi-index crank sprocket. The crank sprocket has 2 degree increments for timing adjustment of up to 8 degrees retarded, 8 degrees advanced, or straight-up (no advance or retard).
- Cam sprocket is made from cast iron. Crank sprocket is made from induction-hardened, billet steel
- Chain is rugged, double-row type with oversized 0.250 in. rollers that deliver long life and reliability