For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology that is now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket straight cut Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and components.
Our Powerglide billet transbrake valve body is a TSI proprietary design. Completely redesigned for the 2022 season by our engineering staff, there isn’t anything on the market close. If you haven’t used this new design, you are missing out! This unit uses ZERO OEM stock parts, EVERYTHING is brand new. Unlike many production builders, our valve bodies are handcrafted from beginning to end by one highly skilled and experienced technician. This process ensures that you the customer gets the highest quality product each and every time. This valve body has undergone over 40 years of contiguous, rigorous R&D and on track testing.
Designed, Engineered and Assembled in the USA at our state-of-the-art Philadelphia, PA facility.
Upgraded Internal Components
- Billet 6061-T6 Main and Small Valve Body Construction, no steel
- Laser cut aluminum separator plate
- Transgo custom heat treated, USA Made valves.
- Transgo custom springs
- Proprietary hydraulics and worm tracks
- Proprietary Transgo Pressure Regulator valve train assembly
- Bores are concentric to .0003” insuring perfect valve operating
- All parts of the valve body are within .001” flat and parallel
- Micro RA finish ensures ZERO leaks and maximized fluid movement
- Custom bolt pattern eliminates leaks that are common in PG valve bodies
- Weighs less than 8lbs fully assembled
- Ultra Fast brake release is achieved with our custom hydraulic and plate design
- Includes NEW transbrake Solenoid
- Includes 17 precision matched reverse release springs
- Best fitting and performing valve to bore design in the industry resulting in near perfect vacuum test results
- Grade 8 fasteners
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