20260 B&M Shift Improver Kit 65-87 Th400
20260 B&M Shift Improver Kit 65-87 Th400
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20260 B&M Shift Improver Kit 65-87 Th400
Unlock the full potential of your automatic transmission with the B&M Shift Improver Kit. This exceptional kit offers a straightforward solution for enhancing your vehicle's performance while providing two distinct modes to suit your driving style:
Key Features:
- Two Performance Modes: Choose between Heavy Duty for everyday use and Street/Strip for high-performance driving.
- Easy Installation: Designed for simplicity; all you need are basic hand tools and an afternoon to transform your transmission.
- Enhanced Shifting: Experience firm, positive shifts without sacrificing driver comfort, resulting in improved performance for all types of street vehicles.
- Performance Enhancements: Reduces shift overlap and minimizes wear on clutches and bands, extending the life of your transmission.
- Limited 1 Year Warranty: Enjoy peace of mind with our warranty that covers your purchase.
Application Compatibility:
This kit is compatible with a wide range of vehicles, including:
- 1972-1973 Buick Centurion
- 1973-1977 Buick Century
- 1965-1967 Cadillac DeVille
- 1965-1975 Chevrolet El Camino
- 1977-1987 GMC C1500
- And many more!
Why Choose the B&M Shift Improver Kit?
Join the ranks of thousands of satisfied customers who have transformed their transmissions with this reliable kit. Whether you're looking for enhanced performance on the street or competition-ready shifts for the track, the B&M Shift Improver Kit is your ultimate solution for superior automatic transmission performance.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

