Engine Lift Plate, GM LS Engines w/ 10 or 11 Bolt Valley Covers, Holley 2300, 4150, 4160, 2-bbl & 4-bbl Intakes, 3 Lift Holes for Balance Adjustment, Steel Red Powder Coated Finish, Includes (4) 8mm x 1.25 in bolts & (4) 5/16 in-18|Mr Gasket Engine Lift Plate for GM LS Engine and Holley 2300, 4150, 4160, 2-bbl & 4-bbl Intakes.