GM LS TKX Trans/Clutch/Bellhousing Kit

The GM LS TKX Trans/Clutch/Bellhousing Kit is a complete manual transmission conversion package designed for GM Gen III and Gen IV LS engines. Built around the legendary TREMEC TKX 5-Speed Transmission, this all-in-one kit includes a performance clutch, billet steel flywheel, Quick Time steel bellhousing, and essential installation components to simplify your drivetrain upgrade.

Rated to handle 600 lb-ft of torque, the TKX transmission features a compact, end-loaded design that fits many classic muscle cars and restomod projects with little or no tunnel modification. With multiple shifter locations, a short-throw shifter, and double overdrive capability, this kit provides excellent acceleration, smooth gear changes, and comfortable highway cruising for both street and track applications.

Features

• Complete GM LS manual transmission conversion kit
• Genuine TREMEC TKX 5-Speed Transmission
• Designed for GM Gen III & Gen IV LS engines
• Quick Time steel bellhousing included
• McLeod Super Street Pro clutch kit included
• 168-tooth billet steel flywheel included
• Rated for 600 lb-ft of torque
• Multiple shifter mounting locations
• Compact case design for easier installation
• High-performance short-throw billet aluminum shifter
• Three-piece aluminum transmission case
• Multi-cone synchronizers with carbon and bronze friction materials
• Heavy-duty 26-spline input shaft
• 31-spline output shaft
• Excellent shift quality with reduced noise and vibration

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: 2.87:1

Specifications

• Transmission: TREMEC TKX 5-Speed Manual
• Application: GM Gen III & Gen IV LS Engines
• Torque Capacity: 600 lb-ft
• Maximum Engine Speed: 8,000 RPM
• Recommended Shift RPM: Up to 7,500 RPM
• Case Material: Aluminum
• Input Shaft Diameter: 1.0625 inches
• Input Shaft Spline Count: 26
• Output Shaft Diameter: 1.375 inches
• Output Shaft Spline Count: 31
• Bellhousing Material: High-strength steel
• Flywheel: 168-Tooth Billet Steel
• Clutch Diameter: 12 inches
• Clutch Disc: Dual Performance Disc
• Pressure Plate: 12-inch Performance Pressure Plate
• Shifter Included: Yes
• Bellhousing Included: Yes
• Flywheel Included: Yes
• Clutch Kit Included: Yes
• Slip Yoke Included: No

Kit Includes

• TREMEC TKX 5-Speed Manual Transmission
• Quick Time Steel Bellhousing
• McLeod Super Street Pro Clutch Kit
• 168-Tooth Billet Steel Flywheel
• Short-Throw Billet Aluminum Shifter
• Pilot Bearing
• Installation Hardware
• Manufacturer Documentation

Recommended Applications

Ideal for:

• Chevrolet Camaro LS Swap
• Chevrolet Chevelle LS Conversion
• Chevrolet Nova LS Swap
• Chevrolet C10 LS Build
• Chevrolet Bel Air Restomod
• Pontiac GTO LS Conversion
• Buick Skylark LS Swap
• Oldsmobile Cutlass LS Conversion
• Street Performance Vehicles
• Pro-Touring Builds
• Weekend Track Cars

Compatible with most GM LS-based engines when using the appropriate hydraulic clutch system and drivetrain components.

Installation Requirements

Installation may require:

• Hydraulic release bearing or hydraulic clutch linkage
• 31-spline driveshaft slip yoke
• Transmission crossmember
• Transmission mount
• Driveshaft modifications (application dependent)
• Transmission fluid
• Clutch master cylinder (if not already equipped)

Professional installation is recommended to ensure proper alignment, clutch adjustment, and maximum drivetrain performance.

Warranty

The GM LS TKX Trans/Clutch/Bellhousing Kit is backed by a 1-Year Limited Warranty, covering defects in materials and workmanship under normal use and proper installation.

Why Choose the GM LS TKX Trans/Clutch/Bellhousing Kit?

The GM LS TKX Trans/Clutch/Bellhousing Kit provides everything needed for a high-quality manual transmission conversion in one package. With the proven 600 lb-ft-rated TREMEC TKX, premium Quick Time bellhousing, McLeod performance clutch, billet steel flywheel, and compact installation-friendly design, this kit delivers exceptional strength, smooth shifting, and outstanding reliability for high-performance street cars, pro-touring builds, and classic LS-powered restorations.