Ball Spline Retaining Housing For Aluminum And Magnesium Ball Spline Transmissions 308B Built For Modified Late Model And Street Stock Racing IMCA UMP USMTS Trannies

Ball Spline Retaining Housing for Racing Transmissions 308B
✔️ Sealed housing for aluminum and magnesium ball spline units, pack: 1

The Ball Spline Retaining Housing is a precision component used to secure the ball spline assembly inside aluminum or magnesium transmissions. It’s commonly installed in modified late-model and street stock race cars, especially in IMCA, UMP, and USMTS competition, where tight tolerances and reliable performance matter.

✅ Compatible with aluminum and magnesium ball spline transmissions
✅ Designed for high-load race applications in modified late-model and street stock cars
✅ Provides secure retention for consistent power transfer
✅ Lightweight aluminum construction helps reduce overall drivetrain weight
✅ Includes mounting provisions to fit standard spline housings

💡 What is a ball spline retaining housing used for in race transmissions?

This handy piece keeps everything aligned under torque and helps power transfer. - Keeps spline centered under heavy torque for reliable power transfer - Reduces spline movement and wear, extending component life - Lightweight aluminum/magnesium design boosts overall performance - Easy installation into standard spline housings