B&M 70237 Kickdown Kit

Compatible with TH700R4

PART# 70237

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Kickdown Kit - GM TH-700-R4 APPLICATION: GM TH-700-R4 TH-700R4 transmissions will downshift from fourth to third gear anytime there is more than about half throttle (except Corvette and some H.O. Camaros and Firebirds). As a result, it is impossible to cruise at high speeds in overdrive (fourth) gear. This kit prevents a forced part throttle kickdown from fourth to third gear, and allows cruising at higher speeds in overdrive. The transmission will only kick down from fourth to third gear at 34 throttle.


  • Quick installation
  • Prevents part throttle Kickdown
  • Cruise in overdrive
  • Allows High Speed Cruise

Product Attributes

Brand B&M
Emission Code5
Manufacturer Part Number70237
Product TypeKickdown Kits
California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number70237



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.

Tech Resources

For GM TH700R4 automatic transmission


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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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