Top 20 Best Selling Shift Kits Transmission & Parts Performance Parts (2018)




B&M automatic shifter accessories help you complete your project with parts designed and selected by the experts at B&M. This bracket and lever kit includes a cable bracket, lever, and associated hardware. For use with select applications, including GM TH ... more info

The B&M ShiftPlus Electronic Shift Improver electronically recalibrates your automatic transmission for optimum performance and extended life, all without removing the transmission pan or valve body. It installs simply in minutes with hand tools, and then ... more info


American Shifter Company's automatic transmission shifters offer custom fit transmission mounts, unique front, mid, or rear mounting options, multi-axis adjustments and true machine craftsmanship. Available in single push button operation or push button a ... more info


The B&M Shift Improver Kit can help increase the performance and durability of your stock automatic transmission. By eliminating many restrictive oil flow controls in the transmission's valve body, it allows the transmission to shift more firmly and reduc ... more info



The B&M Shift Improver Kit can help increase the performance and durability of your stock automatic transmission. By eliminating many restrictive oil flow controls in the transmission's valve body, it allows the transmission to shift more firmly and reduc ... more info

The B&M Shift Improver Kit can help increase the performance and durability of your stock automatic transmission. By eliminating many restrictive oil flow controls in the transmission's valve body, it allows the transmission to shift more firmly and reduc ... more info



American Shifter Company's automatic transmission shifters offer custom fit transmission mounts, unique front, mid, or rear mounting options, multi-axis adjustments and true machine craftsmanship. Available in single push button operation or push button a ... more info

American Shifter Company's automatic transmission shifters offer custom fit transmission mounts, unique front, mid, or rear mounting options, multi-axis adjustments and true machine craftsmanship. Available in single push button operation or push button a ... more info



If you have the time and inclination, B&M has gathered together the parts you will need to transform your stock automatic transmission into a full-tilt B&M street/strip performer. The TransKit starts with the special replacement valves, springs, and other ... more info


American Shifter Company's automatic transmission shifters offer custom fit transmission mounts, unique front, mid, or rear mounting options, multi-axis adjustments and true machine craftsmanship. Available in single push button operation or push button a ... more info


The B&M Transpak kit can help increase the performance and durability of your stock automatic transmission. By eliminating many restrictive oil flow controls in the transmission's valve body, it allows the transmission to shift more firmly and reduce slip ... more info

B&M automatic shifter accessories help you complete your project with parts designed and selected by the experts at B&M. This bracket and lever kit includes a cable bracket, lever, and associated hardware. For use with select applications, including Ford ... more info




The B&M Shift Improver Kit can help increase the performance and durability of your stock automatic transmission. By eliminating many restrictive oil flow controls in the transmission's valve body, it allows the transmission to shift more firmly and reduc ... more info

American Shifter Company's automatic transmission shifters offer custom fit transmission mounts, unique front, mid, or rear mounting options, multi-axis adjustments and true machine craftsmanship. Available in single push button operation or push button a ... more info


The B&M Shift Improver Kit can help increase the performance and durability of your stock automatic transmission. By eliminating many restrictive oil flow controls in the transmission's valve body, it allows the transmission to shift more firmly and reduc ... more info


American Shifter Company's automatic transmission shifters offer custom fit transmission mounts, unique front, mid, or rear mounting options, multi-axis adjustments and true machine craftsmanship. Available in single push button operation or push button a ... more info



These transmission kits increase line pressure in the transmission, which reduces torque converter and transmission clutch slippage and improves shifting. Easy to install using basic hand tools. Bully Dog's shift enhancers improve shift and line pressure ... more info

American Shifter Company's automatic transmission shifters offer custom fit transmission mounts, unique front, mid, or rear mounting options, multi-axis adjustments and true machine craftsmanship. Available in single push button operation or push button a ... more info



These transmission kits increase line pressure in the transmission, which reduces torque converter and transmission clutch slippage and improves shifting. Easy to install using basic hand tools. Bully Dog's shift enhancers improve shift and line pressure ... more info

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