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1988-94 TH400 (3L80) B&M Shift Improver Kit

223071 - 1988-94 TH400 (3L80) B&M Shift Improver Kit

The B&M Shift Improver Kit is the easiest way to get the stout performance you've always wanted out of your automatic transmission and you get two modes of performance to select from: Heavy Duty, or Street/Strip.

The B&M Shift Improver Kit is the easiest way to get the stout performance you've always wanted out of your automatic transmission and you get two modes of performance to select from: Heavy Duty, or Street/Strip.

It's our least expensive and simplest to install kit. All yo u need are a few dollars and some hand tools! …

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Product #: 223071

In Stock Now!

MSRP: $46.99 ea
Classic: $41.99 ea


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