M.O.R.E. JM301 Bomb Proof Motor Mounts / Polyurethane Jeep CJ w/AMC V-8 Engines JM3 Jeep CJs, all, equipped with AMC V 8 engines. These mounts locate the engine in the factory stock location. They allow the use of stock exhaust manifolds, or aftermarket headers (inframe or fender well). Bare steel, no paint. 9x9x9