Since 1979, SCS Gearbox has specialized in providing high-quality drivetrain components engineered for demanding motorsports and high-performance applications. Our Rear End Planetaries are designed to deliver exceptional strength, efficient torque multiplication, and dependable power transfer in vehicles subjected to extreme horsepower, substantial torque loads, and rigorous competition conditions.

As an essential part of specialized rear-end drivetrain assemblies, planetary gear systems utilize multiple gears working together to distribute mechanical loads and achieve the gear reduction necessary for demanding high-performance applications. From professional truck and tractor pulling to specialized racing vehicles and custom drivetrain configurations, SCS Gearbox Rear End Planetaries are suited for environments where durability, precision, and consistent power delivery are critical. Whether you're rebuilding an existing planetary assembly, replacing worn components, or developing a custom high-horsepower drivetrain, our planetary lineup provides dependable solutions for professional builders, racing teams, and competitive motorsports enthusiasts. With an emphasis on quality manufacturing, reliable gear engagement, and long-term durability, SCS Gearbox continues to support the motorsports industry with rear-end planetary components designed to withstand extreme mechanical stresses. Backed by decades of experience in high-performance gearing and drivetrain engineering, our Rear End Planetaries provide dependable solutions for maintaining drivetrain efficiency, maximizing torque delivery, and achieving consistent performance in the toughest competitive motorsports environments.