Performance Engineering and Manufacturing, LLC is a market leader in the development and manufacturing of high performance rear ends and drive shafts for the automotive industry. For over 20 years PEM® has designed and produced high quality gears and drivetrain components that are extensively tested for strength and toughness to ensure improved durability and superior performance. Made from high-grade materials utilizing the latest in technology and innovation tools, PEM products ensure excellent wear resistance and worry-free operation in the toughest working environments.