Edelbrock Timing Chains, Performer-Link Adjustable True-Roller Timing Chain Set, Part #7802. Edelbrock. Retail: Before: Price: Sale: $39.95. (You save It allows a maximum advance or retard at camshaft of 2 degrees and at crankshaft of 4 degrees. Double roller timing chain style It utilizes a solid bushing chain that rolls with the sprocket on a true bearing surface that eliminates chain stretch. Timing Chain Set Performer-Link For 1955-1982 Pontiac 287 Edelbrock Timing Chain Set Edelbrock part #7812 Performer-Link timing chain is for use with Edelbrock or stock cams. 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 billet SAE-1144 steel and induction heat... Not recommended for use above 6, 500 RPM The Edelbrock Performer-Link True Roller Timing Chain Set by Cloyes is for use with either performance or stock cams. 1968-1987 All Makes All Models Parts | EDL7830 | Edelbrock Performer Designed for engines originally equipped with one-piece fuel pump eccentric