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Our THM 350C Performance Valve Body Kit with Gear Command is the ultimate 3-speed choice for small blocks up to 550 horsepower!
This 350C-1&2 high performance valve body Reprogramming Kit fits 1981-1991 General Motors Turbo Hydra-Matic 350C only. Installation of the kit triples holding power of the direct clutch — which is the weak point, so you can expect great shifts and long time durability. It also features Gear Command, allowing the driver complete gear control. Have fun and hang onto your hat!
- Automatic shift; street or full race
- Holds 1st, 2nd to any RPM
- Backshifts to 2nd and 1st at any RPM
- Tow&Go™ or competition