B&M Transpak Th 400 65-87 - 20228
$172.95
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B&M Transpak Th 400 65-87 - 20228
$172.95
The B&M Transpak is the next step up from the B&M Shift Improver kit. It adds additional driver manual control on applicable transmissions and recalibrates GM TH400/375 automatic transmissions for improved performance. The kit provides firmer shifts, improved transmission life and selectable performance characteristics while retaining normal automatic operation in Drive.