OIL PAN SPACERS, DART LS NEXT, Right and Left Billet Aluminum Spacers, mounting hardware, Designed to install a Moroso, O.E.M. or other aftermarket oil pan to a Dart LS Next Engine Block • This oil pan spacer kit contains a right and left billet aluminum spacers, mounting hardware that is included in Moroso Part No. 20144 Dart LS Next Oil Pan Kit. • This spacer kit is designed to mount the following GM LS oil pans*; Moroso, O.E.M. or other aftermarket oil pans to DART LS Next engine blocks • Billet Aluminum Spacers have a built in oil ring groove on the side that mounts between the spacer and the engine block, on the other side of the spacer is a smooth surface that oil pan gasket mounts between it and the oil pan • Includes mounting hardware, billet aluminum spacers have mounting holes for A/C and P/S brackets * Any oil pan besides Moroso Part Nos. 20144 or 20155 wo;; require modification to itself or the oiling system