The B&M Shift Improver Kit can assist increase the performance and durability of your stock automatic transmission. By getting rid of many restrictive oil waft controls in the transmission’s valve body, it allows the transmission to shift more firmly and reduce slippage and shift overlap, providing crisper shifts and reducing wear. Each and every kit will provide you with two modes of performance to choose from — RV/heavy duty or street/strip. The heavy duty option provides positive shifts without loss of driver comfort for improved performance, and is designed for regular passenger vehicles. The street/strip option provides positive shifts for high performance street use or for competitive events, and is designed for the enthusiast who wants the hardest, quickest conceivable shift.
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Recalibrates your automatic transmission for crisp shifts, optimum performance, and extended life
Removes shift overlap and excess wear on clutches and bands as a result of slippage
Two kits in one box — make a selection Stage 1 for RV/heavy duty applications, or Stage 2 for street/strip applications
Installs easily with hand tools