Motor, engine, trans mid mount plate, 1/4" by 24" by 20" 6061-T6 aluminum for Small Block Ford Windsor engines with 164 tooth bellhousing. Use for racing or engine swaps make installation of any engine into any vehicle a simple and straight forward task. front-motor plates are also available. These mounting plates are very popular for all types of drag race vehicles, door cars, dragsters and roadsters. These plates also permit an easy way to mount a different engine than what may have come in the car or truck you are working on. You can even mount a different brand of engine into your vehicle if you desire. These plates also work well for street rods, custom cars and "Pro-Street" type vehicles.