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Performance Transmission > Shifters > Shifter Accessories

Shift Improver Kit

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 a few dollars and some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit!

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 very positive shifts for high performance street use or for competitive events. This model is for the enthusiast who wants the hardest, quickest possible shift.

• Provides crisp shifts on any stock automatic transmissions
• Elimination of soft sluggish shifts, shift overlap, and excess wear on clutches and bands due to slippage
• Improves transmission life
• Transmission removal not required

Application:

• Buick, Chevrolet, GMC, Olds, Pontiac - '82-'93 TH-700-R4/4L60

Part #: 70239

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70239 Our Price: $54.99