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
- Does Not Require Transmission Removal
Also known under these part numbers: