20261 B&M Shift Improver Kit 88-94 Th400
20261 B&M Shift Improver Kit 88-94 Th400
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20261 B&M Shift Improver Kit 88-94 TH400
Unlock the full potential of your automatic transmission with the 20261 B&M Shift Improver Kit. Designed specifically for the TH400 (3L80) transmission, this kit allows you to enjoy enhanced performance with two selectable modes: Heavy Duty and Street/Strip.
Key Features:
- Two Modes of Performance: Choose between Stage 1 for firm yet comfortable shifts suitable for everyday driving, or Stage 2 for the ultimate in performance and quick shifting during competitive events.
- Easy Installation: This kit is the most cost-effective and straightforward solution, requiring only basic hand tools for installation. Transform your transmission in just an afternoon!
- Optimized Shifting: Experience crisp, confident shifts that eliminate slippage, reduce wear on clutches and bands, and enhance the longevity of your transmission.
- Compatibility: Specifically designed for the TH400 (3L80) transmission, ensuring a perfect fit and maximum efficiency.
- Limited 1-Year Warranty: Enjoy peace of mind with a warranty that speaks to the quality and reliability of our product.
Benefits:
- Recalibrate your automatic transmission for optimum performance and extended life.
- Achieve firm and positive shifts without sacrificing driver comfort.
- Ideal for both street use and higher performance applications.
Join the ranks of thousands of satisfied customers and elevate your driving experience with the B&M Shift Improver Kit. Whether you're cruising the streets or hitting the track, this kit has you covered!
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.

