Edelbrock Timing Chain Performer Link 396-502 Chevrolet 96-Later Blocks w/ Cam Thrust PlateEdelbrock part #7816 Performer Link timing chain set is for use with 1996 Later Big Block Chevy Gen VI 454 & 502 V8 engines. They have a solid bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. Cam sprockets are made from 35,000 psi tensile strength cast iron. Crank sprockets are made from SAE 1144 billet steel and induction heat treated. The crank sprocket has three keyway setting points to ensure