Valve Covers GM LS V-8Diecast AluminumChrome FinishRecessed Black/Red Chevrolet LogoSold in Pairs Attention LSX-DR cylinder head owners: These valve covers will fit LSX-DR heads and clear the shaft mounted valvetrain. The mounting bolts included with these LS covers are not compatible with the LSX-DR cylinder heads. LSX-DR owners will need to purchase a LSX-DR mounting bolt kit, Proform part #778-66330.Internal Clearance Note: The following rocker configurations will require the valve cover to be slightly modified: Jesel part numbers: 549-KSS-317070, 549-KSS-317575, and 549-KSS-318080.Additional Notes:Passenger side has oil filler holesGaskets Not Included. Recommend Valve Cover Gasket: 555-210870