B&M Transpak Shift Improver Kit For C6 Automatic Transmission 1967-1991



  • Complete Kit
  • Improves Transmission Life
  • Recalibrates Transmission
  • Fits 1967-1991 C6 Transmission
MSRP $144.00
You save 10%

B&M Transpak Shift Improver Kit for 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990 and 1991 Mustangs with a C6 Automatic Transmission.

Get better performance out of your 1967-1991 Mustang’s C6 automatic transmission with this B&M (40228) Transpak Shift Improver Kit that’s now available at CJ Pony Parts! 

Features & Benefits:
- Fits 1967-1991 C6 Automatic Transmissions
- Designed to Recalibrate C6 Automatic Transmission for Optimal Performance
- Allows You to Downshift into Low at Any Speed and Keep It in Low to Any Speed You Want
- Complete Kit
- Improves Transmission Life
- Select Your App. Mode 

This B&M (40228) Transpak Shift Improver Kit is designed to fit 1967-1991 C6 automatic transmissions and recalibrates it for better performance! This kit will allow you to downshift into low at any speed and keep it in low to any speed you want. This is a complete it that includes shifter improver gaskets, transmission seals and more.

This Kit Includes:
- Shift Improver Gaskets
- Drill Bits
- Transmission Seals
- Retaining Ring
- Brass Plugs
- Shift Valve

California Residents: Proposition 65 Warning

Related Categories: Mustang Parts, Mustang Transmission, Mustang Valve Bodies & Kits, Restomod Parts, Restomod Transmission

Installation Difficulty


Advanced skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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