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B&M engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full B&M lineup with fast shipping and expert fitment support — order with confidence.
Unleash the full potential of your classic automatic transmission with the B&M TH400 Shift Improver Kit. Designed for TH400, TH375, and M40 transmissions manufactured between 1965 and 1987, this kit delivers a noticeable improvement in shift quality and performance. Say goodbye to sluggish, soft shifts and experience the crisp, firm gear changes that B&M is famous for, enhancing both street driving and track performance.
The B&M Shift Improver Kit is not just about firmer shifts; it's about improving the overall durability and responsiveness of your transmission. By optimizing hydraulic pressures and shift timing, this kit reduces clutch and band slippage, which is a primary cause of transmission wear and heat buildup. The result is a more efficient power transfer, quicker acceleration, and a longer lifespan for your valuable transmission.
Whether you're restoring a classic muscle car, building a drag racer, or simply want a more engaging driving experience, the B&M TH400 Shift Improver Kit is an excellent investment. It provides a significant upgrade without requiring a complete transmission overhaul, making it a cost-effective solution for enthusiasts. Trust B&M's legendary expertise to bring out the best in your automatic transmission. Find this and more performance drivetrain solutions at GGCRACING.
Other popular B&M products customers consider together:
B&M engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full B&M lineup with fast shipping and expert fitment support — order with confidence.
Unleash the full potential of your classic automatic transmission with the B&M TH400 Shift Improver Kit. Designed for TH400, TH375, and M40 transmissions manufactured between 1965 and 1987, this kit delivers a noticeable improvement in shift quality and performance. Say goodbye to sluggish, soft shifts and experience the crisp, firm gear changes that B&M is famous for, enhancing both street driving and track performance.
The B&M Shift Improver Kit is not just about firmer shifts; it's about improving the overall durability and responsiveness of your transmission. By optimizing hydraulic pressures and shift timing, this kit reduces clutch and band slippage, which is a primary cause of transmission wear and heat buildup. The result is a more efficient power transfer, quicker acceleration, and a longer lifespan for your valuable transmission.
Whether you're restoring a classic muscle car, building a drag racer, or simply want a more engaging driving experience, the B&M TH400 Shift Improver Kit is an excellent investment. It provides a significant upgrade without requiring a complete transmission overhaul, making it a cost-effective solution for enthusiasts. Trust B&M's legendary expertise to bring out the best in your automatic transmission. Find this and more performance drivetrain solutions at GGCRACING.
Other popular B&M products customers consider together: