Front motor, engine, mount plate, 10" by 36" by 1/4" thick 6061-T6 aluminum for Oldsmobile engines. 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 V8 Oldsmobile production style blocks.