B&M 40263 Shift Improver Kit

Compatible with 1980-1992 Ford, Lincoln and Mercury AOD Automatic transmissions

PART# 40263

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$67.64   Suggested Retail
$54.79   Your Price
Estimated shipping date: 12/13/2021
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For 1980-1992 Ford, Lincoln and Mercury AOD Automatic Transmissions. Note: Not for Ford AODE (electronic) transmissions.


The B&M® Shift Improver kits™ feature two options to recalibrating your 1980-1992 Ford, Lincoln and Mercury AOD 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. Note: Not for Ford AODE (electronic) transmissions.


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

Product Attributes

Brand B&M
Emission Code5
Manufacturer Part Number40263
Product TypeAutomatic Transmission Shift Kits
California Proposition 65 Chemical NameCadmium and cadmium compounds
California Proposition 65 RequiredYes
Part Number40263



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.

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