B&M Automatic Transmission Shift Improver Kit C4 1970-1982



  • Provides Crisp Shifts
  • Increases Transmission Life
  • Diminishes Shift Overlap
  • Multiple Stage Options
MSRP $66.61
You save 10%

B&M Automatic Transmission Shift Improver Kit for all 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981 and 1982 Mustangs with a C4 Transmission.

Improve your driving experience while cruising in your 1970-1982 Mustang with a C4 Transmission by ordering this Automatic Transmission Shift Improver Kit from B&M. This kit is the best and most simple way to get the specific type of performance and reliability that you are looking for out of the automatic transmission in your Pony.

- Multiple Stage Options to Choose From
- Provides Crisp Shifts
- Elimination Any Soft and Sluggish Shifting
- Diminishes Shift Overlap
- Fights Against Clutch and Band Wear
- Increases Transmission Life
- Use on Road and Track

B&M's Shift Improver Kit gives you the ability to install two different stages of transmission based off what exactly you are looking for. Stage 1 is the heavy duty option, which is recommended for regular passenger vehicles. It provides firm positive shifts without losing any driving comfort for an overall improvement on the road. Stage 2 is the Street/Strip option, which administers positive shifts for a more high performance street use or for competitive events. This stage is for the enthusiast that wants the hardest, quickest possible shift whether cruising down the road or racing on the track.

This kit from B&M diminishes restrictive oil flow controls in the valve body, so you won't experience any shift overlap, as well as have any soft & sluggish shifting eliminated while driving you 1970-1982 Mustang. However this kit will not just improve your driving experience as it will also increase the overall transmission life. It will also reduce any wear to your clutch and bands over you Mustang's lifespan.

*Transmission removal is NOT required for installation.

Since its inception, B&M has been in the forefront of the performance aftermarket industry and is also a stalwart & fixture in the motorsport world. Check out the wide array of B&M product options, including transmission kits, shifters and torque converters.

Purchase B&M's Automatic Transmission Shift Improver Kit for your 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981 and 1982 Mustang with a C4 Transmission from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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