
COGM-C3FX ProFit Combo Kit, 1968-76 C3 Chevy Corvette, For 68 OD
- ProFit Combo Kit
- 1968-76 C3 Chevy Corvette
- For 68 OD
Pro-Fit Combo Kit Is Designed for 1968-76 C3 Corvette .68 OD, Providing a Clean Solution for Transmission Installation, Conversion, or Service Needs.
American Powertrain COGM-C3FX Features:
- Tremec TKX TCET17805
- 600ft-Lb Constant Load Rated, 2.87 1st, 1.89 2nd, 1.28 3rd, 1.00 4th, 5th .68OD Proshift Billet Corvette Shifter Conversion
American Powertrain COGM-C3FX Notes:
- Tremec TKX TCET17805 - 600ft-Lb Constant Load Rated, 2.87 1st, 1.89 2nd, 1.28 3rd, 1.00 4th, 5th .68OD Proshift Billet Corvette Shifter Conversion - Original 4-Speed Shift Position White Lightning Shifter Mechanism Seamless DOM Driveshaft Assembly with Patented Driveshaft Flange Transmission Mount Pilot Bearing Reverse Light Harness Speedometer Conversion Console 5-Speed Shift Pattern Plate Hardware, Instructions, Warranty Compatible with 4-Speed Bell Housing. Requires 26-Spline Clutch Disc (not Included)
- Original 4-Speed Shift Position White Lightning Shifter Mechanism Seamless DOM Driveshaft Assembly with Patented Driveshaft Flange Transmission Mount Pilot Bearing Reverse Light Harness Speedometer Conversion Console 5-Speed Shift Pattern Plate Hardware, Instructions, Warranty Compatible with 4-Speed Bell Housing. Requires 26-Spline Clutch Disc (not Included)
American Powertrain ProFit Transmission Kits Deliver Perfect-Fit Modern Manual Transmission Swaps
American Powertrain ProFit Transmission Kits are engineered to simplify modern manual transmission conversions with vehicle-specific solutions designed for classic muscle cars, trucks, and hot rods. Built around popular TREMEC transmissions like the TKX and Magnum, ProFit Kits include the essential components needed for a clean, professional installation, including crossmembers, shifters, bellhousings, hydraulics, pedals, and mounting hardware. Designed for precise fitment and easier installation, these kits help eliminate guesswork while improving drivability, shifting performance, and cruising comfort. American Powertrain’s Made-in-USA craftsmanship, premium materials, and swap expertise make ProFit Kits a trusted choice for enthusiasts seeking reliable overdrive performance, smoother highway driving, and modern shifting feel in vintage vehicles.



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