AMC Model 20 Kryptonite Steel Cover For Use On AMC Model 20 Rear Axles;Fabricated 1/4in. Steel Plate For The Cover;3/8in. Steel Plate Ring For The Mounting Base;All Covers Are Shipped Unpainted Blue Torch Fabworks Blue Torch Fabworks AMC Model 20 Kryptonite Steel Cover - BTF11007 BTF11007 Differential Covers