Racing Power Polished Aluminum Valve Covers - SB Chevy 87-97 - 1-1/2" O.D. Holes RG40003S Molded from Rynite(R) and nylon

Molded from Rynite(R) and nylon

Vehicle Applications: GMC: Sierra 08 - 16 6

Featuring twice the material of the stock flex plate

175-400 lb/in Spring Rate

Racing Power Polished Aluminum Valve Covers - SB Chevy 87-97 - 1-1/2" O.D. Holes RG40003S Molded from Rynite(R) and nylonLeft (driver) side tall covers have breather tubes and baffles; right side tall covers are plain. Late, centerbolt style are polished aluminum. Accepts clamp on breathers. Breathers must be purchased separately. Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light