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Part Number: BM20260



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B & M shift improver kit for GM TH400 transmissions.







HEAVY DUTY-Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. STREET/STRIP-Positive shifts for high performance street use or for competitive events. Hardest, quickest possible shift.

  • Eliminates Shift Overlap
  • Eliminates Soft and Sluggish Shift
  • On Any Stock Automatic Transmission
  • Provides Crisp Shifts

Fits 1965 to 1987 GM Turbo-Hydramatic 400, Turbo-Hydramatic 375 and 475 automatic transmissions

MSRP $64.99
YEARONE Price: $58.95
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

WARNING: This product can expose you to chemicals including but not limited to lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride and/or 4, 4'-methylenebis (2-chloroaniline) which are known to the state of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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