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B&M Shift Improver Kits

4.56 out of 5 stars 108 Customer Reviews

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.

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B&M Shift Improver Kits 10225

B&M Shift Improver Kits 10225

B&M Shift Improver Kits 10225

Shift Improver, Chrysler, 727, A-904, Each

Part Number: BMM-10225

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

B&M Shift Improver Kits 10226

B&M Shift Improver Kits 10226

B&M Shift Improver Kits 10226

Shift Improver, Chrysler, 727, A-904, Each

Part Number: BMM-10226

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

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