B&M 20261 Shift Improver Kit - GM TH400/475 Transmissions

1988-1994 GM TH400/475 Automatic transmissions

PART# 20261

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Overview

The B&M® Shift Improver kits™ feature two options to recalibrating your 1988-1994 GM TH400 and TH475 automatic transmissions. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET/STRIP set-up. Be warned, this will deliver firm positive shifts you will feel, along with easily chirping the tires when shifting somewhat aggressively. This setting is recommend for high performance street/strip use, or for competitive events when you want the hardest, quickest shifts possible from a shift improver kit.

Features:

  • Perfect for Off-Road, Towing or Street/Strip Use
  • Eliminates Soft and Sluggish Shifts
  • Over 65 Years of B&M Quality
  • Eliminates Shift Overlap
  • Provides Crisp Shifts
  • Easy Installation

Product Attributes

BrandB&M
Emission Code5
Product TypeAutomatic Transmission Shift Kits
UPC19695202613
California Proposition 65 Chemical NameCadmium and cadmium compounds
California Proposition 65 RequiredYes
Part Number20261

Emissions

5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

For 1988-1994 Chevrolet, Buick, Olds, Pontiac, GMC TH400 Automatic Transmissions.

Applications

Product Reviews

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.