55-57 fullsize Chevy automatic transmission crossmember is made of 1.5 OD heavy wall tubing and will correctly position the installation of your Powerglide, TH350, TH400, or 700R4 automatic transmission without having to modify the stock frame. It's a simple bolt-on installation with professional results and comes in a black powder coat finish. Also included is our bolt-on motor mount adapter kit. Upgrading your car to these side motor mounts provides a much stronger support than the original front style motor mounts. These mounts will move your engine 3/4 forward once installed and is designed to be to bolted in but will require you to drill a hole or two.
Incudes a pair of rubber motor mounts and rubber transmission mount to finish up your install. Our kit comes with an attractive tubular transmission crossmember that is both strong and lightweight and wont look like you built it from angle iron from the hardware store. Small/big block side mount engine pedestals. Transmission Crossmember Features: Bolt-in installation Fits Powerglide, TH350, TH400, and 700R4 transmissions Constructed of 1.5 OD heavy wall tubing Adjustable fit Black powder coat finish. Placement on Vehicle: Front Left Right.Easy installation & Perfect fit. Aftermarket Replacement for: MMB5557-F, TCM5557. Engine and Transmission Mount Kit.