Front motor, engine, mount plate, 10" by 36" by 1/4" thick 6061-T6 aluminum for big block Dodge Plymouth Mopar Chrysler engines 361 383 400 413 426 Wedge, 426 Hemi and 440. Use for racing or engine swaps make installation of any engine into any vehicle a simple and straight forward task. Mid-motor plates are also available in both 13 gauge mild steel and also 6061-T6 aluminum. 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. This plate fits big block V8 Mopar production style blocks.