10225 - B&M 10225 Shift Improver Kit - A727/A904 Transmissions Image

B&M 10225 Shift Improver Kit - A727/A904 Transmissions

Compatible with 1971-1977 Chrysler, Dodge and Plymouth A727/A904 Transmissions

PART# 10225

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For 1971-1977 Chrysler, Dodge, Plymouth A727 (all engines) and 1971-1977 Torqueflite A904 w/V8 only.


This B&M® Shift Improver™ kit fits all 1971-1977 Chrysler, Dodge and Plymouth Torqueflite A727 transmissions, along with A904 transmissions that originally came behind V-8 engines. This kit recalibrates your automatic transmission for optimum performance, extended life by eliminating shift overlap and excess wear on clutches & bands due to slippage. You get two modes of performance to select from: Stage 1 Heavy Duty, or Stage 2 Street/Strip. Stage 1 gives firm positive shifts without loss of driver comfort for improved shifting performance in all street vehicles. Street/Strip is for high performance street use or for competitive events for the enthusiast who wants the hardest hitting, quickest possible shifts. All you need are basic tools, the included installation instructions and in the space of an afternoon you can turn your transmission into a B&M-tuned unit! Ask the thousands of satisfied customers that have installed one in their transmissions!


  • Two kits In One - Heavy Duty or Street/Strip
  • Over 65 Years of B&M Quality
  • Provides Firm Positive Shifts
  • Eliminates Shift Overlap
  • Legendary Performance
  • Easy to Install

Product Attributes

Brand B&M
Emission Code5
Manufacturer Part Number10225
Product TypeAutomatic Transmission Shift Kits
California Proposition 65 Chemical NameCadmium and cadmium compounds
California Proposition 65 RequiredYes
Part Number10225



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