American Powertrain TREMEC TKX Pro-Fit Transmission Combo Kit Mustang 65-73 5-Speed

This kit upgrades your classic Mustang, delivering superior performance and efficiency. It comes in 3 gear ratio options to match your driving style and performance needs. Choose from either the 1965-1966 or 1967-1973 option to suit the correct year for your application. The 1965-1966 option includes an E-brake bracket for the crossmember.

Features and Benefits:
- Choose between .68, .72, and .81 OD gear ratio options
- Choose appropriate year range to match your application
- Option for 1965-1966 models includes E-brake bracket for crossmember
- Suits various driving conditions
- Offers significant boost in fuel economy from 30-50%
- Ensures low RPM cruising, reducing driver fatigue
- Extends engine life by decreasing overall wear
- Reduces NVH (Noise Vibration Harshness)
- Enhances highway comfort with smoother operations and cooler engine temps

This kit increases fuel efficiency by 30-50% in and offers low RPM cruising. Reduced driver fatigue and NVH will make your drive more comfortable. Meanwhile, the cooler operating temperatures promote engine longevity.

Kit Includes:
- TREMEC TKX 5-speed transmission
- Driveshaft slip yoke
- Black powder-coated, bolt-in cross member (uses original bolt holes)
- Polyurethane isolator mount
- Conversion pilot bearing
- Weather seal reverse light harness
- Hardware

Specifications:
- The 0.68 OD option works great with 3.55-4.11 gears.
- Wide-ratio features gear ratios of 3.27, 1.98, 1.34, 1.00, and 0.72.
- Close-ratio offers options of 2.87, 1.89, 1.28, 1.00, with 5th gear in 0.68 or 0.81.

Additional Notes: 
- Requires shorter driveshaft.
- A 26-spline clutch disk is required.
- Depending on the Toploader 4-speed pattern, a bell housing adapter plate or compatible TKX bell housing may be necessary.
- Additional parts that may be required for installation include: a HYDRAMAX hydraulic clutch, pilot bearing, bell housing, flywheel, shifter, and shifter handle.