Tremec TKX 5-Speed Performance Transmission GM – 2.87 First Gear / .68 Overdrive – 600 lb-ft Torque – TCET17805
Tremec TKX 5-Speed Performance Transmission GM – 2.87 First Gear / .68 Overdrive – 600 lb-ft Torque – TCET17805 is backordered and will ship as soon as it is back in stock.
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Tremec TKX GM 5-Speed Performance Transmission – 2.87 First Gear / .68 Overdrive – TCET17805
Compact high-torque 5-speed manual transmission engineered for modern performance swaps and restomod builds.
The Tremec TKX is purpose-built for the aftermarket, delivering exceptional strength, improved tunnel clearance, and high-RPM shift capability compared to previous manual transmission platforms.
This ratio configuration provides strong but manageable launch characteristics with reduced cruising RPM, making it well-suited for performance street cars and pro-touring applications.
Transmission Configuration
- GM case pattern
- 26-spline input shaft
- 31-spline output shaft
- Single overdrive 5-speed design
- Low-profile compact aluminum case
Gear Ratios
1st — 2.87
2nd — 1.89
3rd — 1.28
4th — 1.00
5th — 0.68
Torque & RPM Capability
- Rated for 600 lb-ft torque capacity
- Supports engine speeds up to 8,000 RPM
- Designed for clean shift performance approaching 7,500 RPM
Design & Performance Engineering
- Three-piece aluminum housing increases structural rigidity
- Compact end-loaded design improves transmission tunnel clearance
- Multi-cone synchronizers provide smooth gear engagement
- Internal three-rail shift system enhances shift precision
- Wide gear face width increases durability and load capacity
- Caged needle bearings reduce friction and gear end-play
- Alloy steel gears and shafts manufactured from ASTM 4615 material
- Optimized gear geometry helps reduce noise, vibration, and harshness
- Integrated reverse light switch and neutral safety switch provisions
Fitment & Installation Advantages
- Multiple shifter location provisions for improved interior positioning
- Designed to fit many performance applications with minimal tunnel modification
- Separate case patterns available for GM or Ford configurations
- Integrated transmission mount pattern provisions
Technical Specifications
Transmission Type — 5-Speed Manual Overdrive
Torque Rating — 600 lb-ft
Input Shaft — 26 spline
Output Shaft — 31 spline
Case Construction — Aluminum 3-piece
Instructions
