Click to enlargeB&M Transpak Shift Kit

B&M 30228 B&M Transpak shift kit.

1968-1981 GM Turbo 350 transmission shift kit.

Recalibrate your Turbo 350 automatic transmission for optimum performance and lifespan.

Transmission removal is not required.

Detailed installation instructions are included.

Choose from two shift modes included.

The B&M Transpak is the next step up from the B&M Shift Improver kit.

It has all the features in the Shift Improver Kit plus it provides additional driver manual control.

Most stock automatic transmissions won't downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you're in. With the B&M Transpak, you can downshift at any speed and you can hold the transmission in first gear to any speed that you want! This is an asset when you've got a modified engine, and you want additional RPMs or you're towing a trailer or driving heavy loads downhill.

STAGE 1. HEAVY DUTY: For street rods, normal passenger vehicles or other heavy duty applications. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort. Normal automatic operation when in "drive".

STAGE 2. HI-PERFORMANCE STREET: For full perfomrance street use. Essentially the same as heavy Duty mode except the shift is much quicker. Retain full automatic features and standard shift points with the selector in "drive".


B&M 30228 Transpak Turbo 350 transmission shift kit BM-30228$79.97APPLICATIONS:: 
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