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1977-1981TCorvette urbo Hydra-Matic TH350 Shift Improver Kit

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B & M
Part #: 643-150
Availability: Currently Unavailable - Most out of stock items are available to ship within 7-10 days.
Fits Years:
  • 1977-1981
  • Description

1977-1981Turbo Hydra-Matic TH350 Shift Improver Kit

Our C3 Corvette Automatic Shift Improver Kits are the easiest way to get the stout performance you've always wanted from your Automatic Transmission equipped C3 Corvette. Manufactured by B&M each Shift Improver Kit includes two modes of performance to select from: Heavy Duty, or Street/Strip. In an afternoon, you can turn your transmission into a B&M-tuned unit! Best of all, you don't even have to remove the transmission.

  • Two Modes Of Performance
    • Heavy Duty
    • Street/Strip
  • Does Not Require Transmission Removal


Also known under these part numbers:

  • 30262