Holley Aluminum Black Crinkle LS Valve Covers LS1 LS2 LS3 LS7 # HO241-91Holley Aluminum Black Crinkle LS Valve Covers LS1 LS2 LS3 LS7 # HO241 91 Valve Cover Mounting Style: Centerbolt Valve Cover Height: Stock Valve Cover Top Style: Plain Valve Cover Material: Cast aluminum Valve Cover Finish: Black Crinkle Baffled: Yes Breathers Included: No Gaskets Included: No Grommets Included: No Mounting Hardware Included: No Quantity: Sold as a pair. Notes: Includes billet aluminum oil fill cap, fits engines using 72mm ignition