Tremec TKX 5-Speed Transmission Package for GM LS Engines – Complete Bowler LS Manual Conversion Kit

GM LS TKX 5-Speed Transmission Package

Convert your LS-powered build to a modern 5-speed manual with this complete Tremec TKX transmission package from Bowler Performance Transmissions. This kit includes the major components needed to install a Tremec TKX behind GM LS or LT engines, making it an ideal solution for hot rods, muscle cars, pro-touring builds, and classic truck swaps.

Every transmission package is assembled and supported by Bowler Performance Transmissions, a Tremec Elite Distributor with decades of drivetrain experience.

Every Bowler package is assembled with proven components designed to handle serious street performance while delivering smooth shifting, excellent durability, and modern drivability.

What’s Included in the TKX LS Package

• Tremec TKX 5-Speed Transmission
• Cast Aluminum Bellhousing
• RAM Clutch Kit
• Tilton 6000 Series Hydraulic Throwout Bearing
• Transmission Mount
• Installation Hardware
• Fluid for Transmission

The Tremec TKX is the latest evolution of Tremec’s popular 5-speed platform, designed for modern performance builds.

Key advantages:

• • Rated for 600 lb-ft of torque
  • Compact design fits many classic transmission tunnels
  • Multiple shifter locations available
  • Smooth shifting up to 7,500 RPM
  • Ideal for street, pro-touring, and performance builds
  

Engine Compatibility

Compatible with:

GM LS engines
GM LT engines

Works with both 6-bolt and 8-bolt crankshaft LS engines.

Important Fitment Notes

This is a universal LS transmission package and is not vehicle specific.

Additional parts may be required depending on your application such as:

• Crossmember
• Driveshaft
• Hydraulic master cylinder
• Pedal assembly

Bowler Performance Transmissions also offers vehicle-specific solutions for many popular platforms.

Available Tremec TKX Gear Ratios

Choose the TKX gear ratio that best fits your driving style:

• TCET18083
  Gear Ratios: 3.27 / 1.98 / 1.34 / 1.00 / 0.72
  Ideal for aggressive acceleration and performance builds

• TCET17722
  Gear Ratios: 2.87 / 1.89 / 1.28 / 1.00 / 0.81
  Better suited for highway cruising and balanced street use

Instructions

Tremec TKX & T-56 Installation Instructions