Description
American Powertrain Pro-Fit Magnum 6-speed kit for Chevrolet Corvette C3
The Ultimate Overdrive for Classic Corvette
- 30-50% increase in fuel economy
- Low RPM cruising for greatly reduced driver fatigue and an improved highway driving experience.
- Reduced engine wear leading to longer engine life
- Cooler engine operating temperatures
- Reduced NVH (noise – vibration – harshness)
Tremec T56 Magnum Gear Ratios
Close Ratio 2.66, 1.78, 1.30, 1.00, 0.80, 0.63
Wide Ratio 2.97, 2.10, 1.46, 1.00, 0.74, 0.50
Kit includes:
- AP Revolution Shifter Mechanism – Original 4-speed shift position
- Driveshaft Slip Yoke – (new driveshaft is required, you can call us to have one made for your kit)
- 6-Speed Corvette Crossmember
- Transmission Mount
- Tunnel Patch
- Pilot Bearing
- Reverse Light Harness – Weatherseal
- Speedometer Conversion – Mechanical or Electronic
- Console sill plate with 6-speed pattern
- Modular Reverse Lock-out Harness
- Modular Reverse Light Harness
- Hardware, Instructions, Warranty
- NOTE: Kit does require some small trimming at the top of the tunnel to fit the Magnum! You must also the cut the stock welded crossmember in order to install our 6-speed crossmember.
Optional Parts:
- Hydramax Hydraulic Clutch
- Bell housing
- Flywheel