Product Description:
Hawks Motorsports offers our clients this 1955-1957 Chevrolet Tri-Five TREMEC TKX 5-Speed Conversion Kit | 600 lb-ft Capacity | TKX-CHEVY-5557. This conversion kit upgrades classic Chevrolet Tri-Five vehicles with modern 5-speed overdrive performance, improved highway drivability, and increased drivetrain strength for street and performance applications.
Vehicle Configuration Required
Transmission conversion kits are vehicle specific. Complete the Hawks Motorsports Transmission Conversion Request Form before ordering so our team can verify compatibility and confirm the correct components for your application.
Installation Notice: Verify engine combination, drivetrain configuration, and vehicle specifications before ordering. Additional components may be required depending on manual or automatic transmission conversion requirements.
Designed for 1955-1957 Chevrolet Tri-Five applications, this TREMEC TKX 5-Speed Conversion Kit provides modern manual transmission performance for Bel Air, 150, 210, and Nomad models. The TKX offers an ideal combination of strength, street manners, and overdrive cruising capability.
The TREMEC TKX features a compact rounded case design, 600 lb-ft torque capacity, and the ability to handle 7,500 rpm shifts. This transmission improves highway cruising with reduced engine RPM, improved fuel economy, lower operating temperatures, and reduced noise, vibration, and harshness.
The TKX is available with multiple shifter positions to accommodate different interior configurations. Classic Fit provides an on-center shifter location for bucket seat applications, Mid Shift supports bench seat vehicles, and Side Offset matches existing 4-speed floor locations.
The TKX gear ratios include a wide ratio option with 3.27, 1.98, 1.34, 1.00, and 0.72, or a close ratio option with 2.87, 1.89, 1.28, 1.00, and 0.68 or 0.81 overdrive options.
The conversion kit includes the required components for installation, including the TREMEC TKX 5-Speed overdrive transmission, bellhousing, McLeod flywheel, McLeod clutch, pedals, transmission support crossmember, driveshaft and slip yoke, speedometer connection, reverse light connector, pilot bearing, isolator mount, installation hardware, and detailed instructions with lifetime technical support.
KEY FEATURES:
- TREMEC TKX 5-Speed conversion kit for 1955-1957 Chevrolet Tri-Five vehicles
- Fits Chevrolet Bel Air, 150, 210, and Nomad models
- 600 lb-ft torque capacity
- 7,500 rpm shift capability
- Compact rounded case design
- No-cut installation design
- 30-50% potential fuel economy improvement
- Low RPM highway cruising
- Reduced noise, vibration, and harshness
- Designed for everyday street performance
- Wide ratio gear set: 3.27, 1.98, 1.34, 1.00, 0.72
- Close ratio gear set: 2.87, 1.89, 1.28, 1.00, 0.68 or 0.81
- Multiple shifter position options available
- TREMEC TKX 5-Speed overdrive transmission
- Bellhousing included
- McLeod flywheel included
- McLeod clutch included
- Pedal assembly included
- Heavy-duty needle roller pilot bearing
- Rubber isolator mount for vibration control
- Transmission support crossmember included
- Mechanical and electronic speedometer compatible
- Custom balanced driveshaft and slip yoke included
- Complete installation hardware included
- Detailed installation instructions with lifetime technical support
- Market-leading warranty
FITMENT APPLICATIONS
| Make | Model | Years |
|---|---|---|
| Chevrolet | Bel Air | 1955-1957 |
| Chevrolet | 150 Series | 1955-1957 |
| Chevrolet | 210 Series | 1955-1957 |
| Chevrolet | Nomad | 1955-1957 |
Verify fitment before ordering. Engine combination, clutch setup, transmission configuration, and required components must be confirmed before purchase.
INSTALLATION NOTES:
- Complete the Hawks Motorsports Transmission Conversion Request Form before ordering.
- Verify shifter location requirements before installation.
- Additional components may be required depending on engine and drivetrain configuration.
- Professional installation is recommended for drivetrain modifications.
- Installed or modified components may not be eligible for return. Confirm application details before installation.