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Transpak Kit 1965-1987 GM TH400/TH375/M40
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B&MPART NUMBER: 130-20228

Transpak Kit 1965-1987 GM TH400/TH375/M40

$15565$172.95You Save$17.30
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GM
    Transpak Automatic Transmission Shift Kit
  • 1965-1987 GM TH400/TH375/M40
  • Includes Gaskets, Drill Bits, Seals, Retaining Ring, Brass Plug, and Shift Valve

  • Recalibrate's GM TH400 Automatic Transmissions
  • B&M Transpak - GM TH400/375 Transmissions.

  • Full Manual Control on Most Transmissions
  • Over 65 Years of B&M Quality
  • Improves Transmission Life
  • Optimum Performance
  • Firmer Shifts

Performance Made Easy, Two Kits in One!

B&M's Transpak Automatic Transmission Shift Kit has all the features found in the Shift Improveer Kit, plus it provides additional manual control capabilities for GM TH400/TH350, Ford C6 and Chrysler Torqueflite transmissions. At any speed, the TransPak Shift Kit allows you to downshift and hold the transmission in first gear. This gives you the control to do everything from rev-out a modified engine for maximum performance or hold a tow vehicle in low gear while descending a grade.

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Stage 1 - Heavy Duty:
For street rods, passenger vehicles, or heavy duty use. Firm, but not harsh, shift feel as compared to stock. Dramatically improves transmission performance and durability without loss of comfort. Retains normal automatic operation when in drive.

Stage 2: Hi-Performance Street:
For maximum performance street use. All of the same features as the Heavy Duty configuration, but with faster shifts. Retains normal automatic operation when in drive.

Features:

  • Performance calibration and shift timing
  • Select the configuration that best suits your application
  • Improves transmission life by reducing heat
  • Additional manual control provided for lower gears
Part TypeShift Kit
Product LineB&M Transpak Automatic Transmission Shift Kits
BrandB&M
Package Height2.0
Package Width10.4
Package Length11.4
Weight1.16 PG
Part CategoryPerformance Parts
Filter IncludedNo
Automotive Item GradeHigh Performance
Gaskets IncludedYes
Trans ModelGM- TH350 (Auto)3 Speed
Trans Year1965
QuantitySold as a kit
Full ManualNo
Part FitmentSemi Universal
Vendor Part Number20228
Package Qty1
Package TypeEA
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