and Performance Parts and Accessories
223074 - 1981-90 TH200-4R 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.
It's our least expensive and simplest to install kit. All you need are a few dollars and some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Just ask the thousands of satisfied customers that have installed one in their transmissions!Stage 1 …
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