MACE OIL PAN/SUMP TO SUIT LS CONVERSION INTO HOLDEN HQ HJ HX HZ WBThis Mace F Body oil pan is the pan of choice for most engine swaps as it provides the most steering rack clearance of any GM pan as well as generous ground clearance. Using a Mace pan allows you to retain the structural rigidity of a cast aluminum pan. Ideal for any LS conversion into the following models using the factory k frame: HQ, HJ, HX, HZ, WB Kingswood, Belmont and Statesman. Equivalent GM Part Numbers: Current: 12628771 Superseded: 12558762,