Description
If you’re building a dedicated drag, bracket race, or road course machine, weight savings at the driveline are non-negotiable—and the Bert Aluminum Transmission (GEN 2) Ball Spline SG-1500 delivers exactly that. At just 40.9 pounds, this unit cuts rotating mass by 50% compared to conventional transmissions, translating to faster acceleration and reduced driveline inertia. With a bulletproof aluminum case, internal hydraulic clutch management, and second-generation ball spline technology, you get a purpose-built manual that’s engineered for sustained high-RPM operation without compromise.
- Aluminum case construction
- Second Gen ball spline
- Manual transmission
- 2-forward speeds
- Reverse gear included
- Internal hydraulic clutch
- 10-spline input shaft
- 40.9 lbs total weight
- 50% less rotating mass
- Low-drag design
- Bert Transmission quality
- Kit configuration






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