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Shift Improver Kit Suit GM TH400, 375 and M40, recalibrate your transmission
The B&M Shift Improver Kit 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 some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Ask the thousands of satisfied customers that have installed one in their transmissions!
- Recalibrate your automatic transmission for optimum performance & extended life!
- Select the mode that best suits your application:
-
- STAGE 1. HEAVY DUTY; Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles.
- STAGE 2. STREET/STRIP; Provides positive shifts for high performance street use or for competitive events. This level is for the enthusiast who wants the hardest, quickest possible shift.
- Provides crisp shifts on any stock automatic transmission
- Eliminates shift overlap & excess wear on clutches & bands due to slippage
- Application: Buick, Chevrolet, GMC, Olds, Pontiac - '65-'87 TH-400, 375 and M40
| Categories | Transmission & Drivetrain |
|---|---|
| Weight | 0.4500 |
| Manufacturer Part Number | 20260 |
| Brand | B&M |
| Part Type | Automatic Transmission Valve Body Kits |
| Interchange Part Number | 20260 |
| Vehicle Make | Pontiac, Rover |
| Dimensions | Width: 35.56cm x Length: 2.54cm x Height: 43.18cm |
| GTIN | 019695202606 |
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