Holley Cast Aluminum Timing Chain Cover w/ Crank Sensor Port Provision Black 21-153 hooker-headers Straight section BEFORE Carburetor

Straight section BEFORE Carburetor

Does not work with raised port heads

1988-1990 GMC S15 262 CID

8L L6 1955 Chevrolet Truck 261/4

Straight Through

Holley Cast Aluminum Timing Chain Cover w/ Crank Sensor Port Provision Black 21-153 hooker-headers Straight section BEFORE CarburetorOverview: Holley now offers a solution to the plastic OEM timing chain covers on 1996 up Vortec Small Block Chevy engines. Our cast aluminum timing chain covers are an excellent upgrade from the OEM part, offering the superior durability of an aluminum part with improved functionality. These cast aluminum covers feature timing indicators molded into the body and are available with or without a crank sensor provision to accommodate both carbureted and