The Chevy TREMEC TKX Driveline Kit is a complete 5-speed manual transmission conversion package designed for Small Block and Big Block Chevrolet engines. Built around the industry-leading TREMEC TKX 5-Speed Manual Transmission, this all-in-one kit includes a heavy-duty bellhousing, performance clutch assembly, billet steel flywheel, hydraulic release bearing, and the essential installation hardware required for a professional-quality drivetrain upgrade.
Designed for classic muscle cars, hot rods, street rods, and pro-touring builds, the TKX transmission features a compact aluminum case for improved transmission tunnel clearance, exceptional shift quality, and an overdrive fifth gear for reduced engine RPM during highway cruising. Rated to handle 600 lb-ft of torque, the TKX delivers smooth high-RPM shifting and outstanding durability for both street and performance applications.
Whether you’re replacing a factory 4-speed or converting from an automatic transmission, this driveline kit provides the major components needed to complete a reliable and high-performance manual transmission conversion.
Features
- Complete Chevy TREMEC TKX Driveline Conversion Kit
- Genuine TREMEC TKX 5-Speed Manual Transmission
- Fits Small Block and Big Block Chevrolet engines
- Rated for 600 lb-ft of torque
- Compact aluminum transmission case
- Smooth shifting up to 7,500 RPM
- Supports engine speeds up to 8,000 RPM
- Overdrive fifth gear for lower highway RPM
- Heavy-duty steel bellhousing
- Billet steel flywheel
- High-performance 11-inch clutch kit
- Hydraulic throwout bearing included
- Short-throw billet aluminum shifter
- Ideal for muscle cars, hot rods, street rods, and pro-touring builds
Gear Ratios
- 1st Gear: 2.87:1
- 2nd Gear: 1.89:1
- 3rd Gear: 1.28:1
- 4th Gear: 1.00:1
- 5th Gear: 0.68:1
- Reverse: 2.56:1
Specifications
- Brand: TREMEC
- Transmission Model: TKX
- Transmission Type: 5-Speed Manual
- Application: Small Block & Big Block Chevrolet
- Torque Capacity: 600 lb-ft
- Maximum Engine Speed: 8,000 RPM
- Shift Capability: 7,500 RPM
- Case Material: Aluminum
- Input Shaft Diameter: 1.125 inches
- Input Shaft Spline Count: 26
- Output Shaft Diameter: 1.375 inches
- Output Shaft Spline Count: 31
- Bellhousing Included: Yes
- Flywheel Included: Yes
- Clutch Included: Yes
- Hydraulic Release Bearing Included: Yes
- Shifter Included: Yes
- Yoke Included: No
- Shifter Style: Linkage Operated
Kit Includes
- TREMEC TKX 5-Speed Manual Transmission
- Steel Chevrolet Bellhousing
- Billet Steel Flywheel
- 11-Inch Performance Clutch Disc
- Pressure Plate
- Hydraulic Throwout Bearing
- Flywheel Hardware
- Bellhousing Hardware
- ARP Installation Hardware
- Short-Throw Billet Shifter
- Reverse Light Switch
- Installation Documentation
Recommended Applications
Ideal for:
- Chevrolet Camaro
- Chevrolet Chevelle
- Chevrolet Nova
- Chevrolet El Camino
- Chevrolet C10 Pickup
- Chevrolet Bel Air
- Chevrolet Impala
- Chevrolet Biscayne
- Street Rods
- Pro-Touring Builds
- Classic Muscle Cars
- Custom Hot Rods
Compatible with most 1955–1985 Small Block Chevrolet and Big Block Chevrolet engines using the appropriate rear main seal configuration.
Installation Requirements
Installation may require:
- Transmission crossmember
- Driveshaft modifications
- Transmission mount
- Clutch master cylinder
- Hydraulic clutch lines
- Pedal assembly (for automatic-to-manual conversions)
- Transmission fluid
- Speedometer connection
Professional installation is recommended to ensure proper drivetrain alignment, clutch adjustment, and long-term reliability.
Warranty
The Chevy TREMEC TKX Driveline Kit is backed by a 1-Year Limited Warranty, covering defects in materials and workmanship under normal use and proper installation.



