Holley Cast Aluminum Timing Chain Cover - 21-151 performance-mufflers Black and Ceramic

Black and Ceramic

vacuum secondaries

1-Chamber Internal Design Cancels out Annoying High Pitch Frequencies

Muffler (Right) Body Length: 18

Holley Cast Aluminum Timing Chain Cover - 21-151 performance-mufflers Black and CeramicOverview: 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