The GPM TSM1660TS gearbox belt drive set is built to reinforce the TRAXXAS Slash Mudboss Modified Dirt Oval Racer drivetrain with precision engineered 6061-T6 aluminum and rubber components. This configuration provides improved shock tolerance and quieter operation while reducing frictional losses to extend service intervals of drivetrain parts. The design focuses on durable performance upgrades for hobbyists seeking a reliable gearbox solution.