Edelbrock Performer-Link Double Roller Timing Chain Set - Keyway Adjustable - AMC V8 20-OTL-NG-L grade 8 material and are

grade 8 material and are plated for durability

1975-1976 GMC C15 Suburban

dust and vibration

They are smooth idling cams for daily drivers

or reverse seam as they are sometimes called

Edelbrock Performer-Link Double Roller Timing Chain Set - Keyway Adjustable - AMC V8 20-OTL-NG-L grade 8 material and arePerformer Link timing chain sets are 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. Edelbrock, Timing Chain, Performer Link, Chain, Gear, Engine, Short block, Long Block, Rebuild, Cam swap, 7818 Be sure that both cam and crank sprockets are exactly in line with each other Misalignment can cause chain to break Make sure that the chain clears oil