Shift Improve Kit TH400 65-87 Shift Improve Kit TH400 65-87 B&M Shift Kit, Shift Improver, GM, TH400/TH375/M40, Each Improve shifting in a snap.These B&M Shift Improver kits are the easiest way to get the stout performance you've always wanted out of your automatic transmission. All you need are some hand tools and an afternoon, and you can turn your transmission into a B&M-tuned unit. Each kit has two stages to fit your needs: RV/Towing and Street/Strip.

Shift Improve Kit TH400 65-87

Code: 20260
$39.99
In Stock
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  • Prompt and Speedy Delivery Available *Unless Special Order Item

  • 100% ORIGINAL AND QUALITY

  • Backed by Manufacturer Warranty

Shift Kit, Shift Improver, GM, TH400/TH375/M40, Each

Improve shifting in a snap.
These B&M Shift Improver kits are the easiest way to get the stout performance you've always wanted out of your automatic transmission. All you need are some hand tools and an afternoon, and you can turn your transmission into a B&M-tuned unit. Each kit has two stages to fit your needs: RV/Towing and Street/Strip.

Shift Kit, Shift Improver, GM, TH400/TH375/M40, Each

Improve shifting in a snap.
These B&M Shift Improver kits are the easiest way to get the stout performance you've always wanted out of your automatic transmission. All you need are some hand tools and an afternoon, and you can turn your transmission into a B&M-tuned unit. Each kit has two stages to fit your needs: RV/Towing and Street/Strip.