Specification
Description
The B&M Transpak is the next step up from the B&M Shift Improver kit, providing additional driver manual control for 1982-1993 GM TH700R4/4L60 automatic transmissions. This kit allows downshifting at any speed and holding the transmission in first gear to any desired speed, making it ideal for modified engines, towing, or heavy loads. It offers two stages: Stage 1 (Heavy Duty) for street rods and heavy-duty use, providing firmer shifts without harshness, and Stage 2 for high-performance street use, delivering quicker shifts while retaining full automatic features. Note: Not compatible with GM 4L60E electronic transmissions.
Disclaimer
This product is not compatible with GM 4L60E electronic transmissions. Please ensure compatibility with your vehicle before purchase.