Holley GM LS 2 Piece Cast Aluminum Red Finish Valve Covers # HO241-174Holley GM LS 2 Piece Cast Aluminum Red Finish Valve Covers # HO241 174 2 PC LS Vintage Series Valve Covers Red Finish Cast Aluminum LS Valve Covers with Coil Mounting Base Integrated Coil Cover These valve covers feature integrated coil mounts designed specifically to fit Gen I and Gen V style LS coil bodies (OE and most aftermarket). More info and part numbers for each applicable LS coil body is listed below: Gen I Style LS Coil Body P N's: GM: