Product Description:
Hawks Motorsports offers our clients this 1964-1966 Mopar A-Body TREMEC TKX 5-Speed Conversion Kit | 600 lb-ft Capacity | TKX-MOPAR-ABODY-6466. This TREMEC TKX PerfectFit™ transmission conversion kit upgrades classic Mopar A-Body vehicles with modern overdrive performance, improved highway drivability, and reliable 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.
Conversion Type: This kit is designed specifically for conversion from 3-speed or 4-speed manual transmissions. Automatic-to-manual conversions require additional components including clutch, flywheel, pedals, hydraulic clutch system, and related hardware.
Designed for 1964-1966 Mopar A-Body applications including Dodge Dart, Plymouth Valiant, and Plymouth Barracuda, the TREMEC TKX 5-Speed PerfectFit™ kit provides classic Mopar owners with modern five-speed overdrive capability while improving performance, comfort, and drivability.
The compact TREMEC TKX transmission is engineered for high-performance street applications with a 600 lb-ft torque capacity and the ability to handle shifts up to 7,500 RPM. The rounded transmission case design helps reduce or eliminate tunnel modifications in many applications while maintaining excellent strength and reliability.
TKX Gear Ratios:
Wide Ratio: 3.27, 1.98, 1.34, 1.00, 0.72
Close Ratio: 2.87, 1.89, 1.28, 1.00, 0.68 OR 0.81
The PerfectFit™ TKX kit includes the components needed for installation including the TREMEC TKX 5-Speed overdrive transmission, pilot bearing, installation hardware, isolator mount, reverse light connector, speedometer connection, tunnel hump, sheet metal, template, crossmember, driveshaft and slip yoke, and detailed installation instructions.
This kit is engineered to provide a modern driving experience while retaining the classic character of Mopar A-Body vehicles. Improved gearing allows for lower cruising RPM, reduced engine strain, and a more enjoyable highway driving experience.
KEY FEATURES:
- TREMEC TKX 5-Speed overdrive transmission
- Designed for 1964-1966 Mopar A-Body applications
- Fits Dodge Dart, Plymouth Valiant, and Plymouth Barracuda
- 600 lb-ft torque capacity
- Capable of 7,500 RPM shifts
- Compact rounded transmission case design
- Designed for everyday street use and performance applications
- Mechanical and hydraulic clutch actuator compatible
- Wide ratio and close ratio gear options available
- Improved highway cruising with overdrive fifth gear
- Reduced engine RPM and improved fuel efficiency
- Reduced NVH (noise, vibration, and harshness)
- PerfectFit™ conversion design
- Designed for conversion from 3-speed and 4-speed manual transmissions
- Super heavy-duty needle roller pilot bearing
- Rubber isolator mount for vibration control
- Waterproof reverse light connector
- Mechanical and electronic speedometer compatible
- Tunnel hump, sheet metal, and installation template included
- Custom lightweight steel driveshaft and slip yoke included
- Crossmember included
- Detailed installation instructions included
- Lifetime technical support available through Silver Sport Transmissions
OPTIONAL PARTS FOR AUTOMATIC-TO-MANUAL CONVERSIONS:
- McLeod billet steel flywheel
- McLeod performance clutch kit
- Bellhousing
- Pedals
- Hydraulic clutch conversion kit
- Master cylinder
- Heavy-duty concentric slave cylinder
- Firewall mounted hydraulic clutch system
- Remote reservoir and braided steel hose
- Pedal pushrod and hardware
- Shifter boot and trim ring
- STX® short throw shifter
- Pistol grip shifter handle with 5-speed shift pattern
- Shifter knob
- Break-in fluid, transmission fluid, and hydraulic clutch fluid
FITMENT APPLICATIONS
| Make | Model | Years |
|---|---|---|
| Dodge | Dart A-Body | 1964-1966 |
| Plymouth | Valiant A-Body | 1964-1966 |
| Plymouth | Barracuda A-Body | 1964-1966 |
Verify fitment before ordering. Engine combination, current transmission type, clutch configuration, tunnel clearance, driveshaft requirements, and drivetrain specifications must be confirmed before purchase.
INSTALLATION NOTES:
- This kit is intended for conversion from 3-speed or 4-speed manual transmissions.
- Automatic-to-manual conversions require additional clutch, pedal, and hydraulic components.
- Tunnel hump and sheet metal installation may be required.
- Complete the Hawks Motorsports Transmission Conversion Request Form before ordering.
- Additional components may be required depending on engine, clutch, and drivetrain setup.
- Professional installation is recommended for drivetrain modifications.
- Verify all vehicle specifications before installation.
- Modified or installed components may not be eligible for return. Confirm application details before installation.