Marmon Ride Control is a trusted aftermarket supplier of drivetrain components, specializing in engine and transmission mounts as well as a full catalog of chassis products. Marmon Ride Control provides OE replacement parts built to exceed OE specifications.

Perfection Hy-Test is a trusted aftermarket supplier of clutch, flywheel, and drivetrain components, specializing in manual transmission systems and OEM-style replacements. Its proprietary technologies—like self-adjusting clutches and Technovation hydraulics—deliver high-performance solutions for a wide range of vehicles worldwide.