PEM (Performance Engineering and Manufacturing, LLC) manufactures high-quality gears, quick change components, and drive shafts that support your race car at every turn of the track. PEM specializes in drivetrains, disc brake kits, DOM, chrome-moly, and aluminum drive shafts, 9-inch Ford rear ends, and replacement parts from bushings to yokes. We carry PEM standard and premium racing and quick change gears in every size so you can put your car to the test in practice and run better on race day. Each PEM gear, part, and component is proudly manufactured in its USA-based facility, located in St. Clair, Missouri. Explore Behrent's Performance warehouse for the PEM gears, parts, and components you need to support your race car from front to rear.