Features
Stage 1 performance upgrade package for LCT1000 6-speed transmission
Designed for 2006–2007 GM 8.1L V8 2WD trucks
Includes upgraded clutch packs and valve body modifications
Enhances transmission durability and shift quality
Supports mild performance upgrades and heavy towing
Direct-fit components for simplified installation
Product Overview
The ATS 309-983-4308 LCT1000 Stage 1 Package is a performance-focused solution for improving the reliability and shift responsiveness of your GM 8.1L-powered 2WD truck. Designed to handle increased towing demands and mild horsepower upgrades, this kit includes key internal enhancements that strengthen the transmission and improve overall drivability. Perfect for daily use, towing, and work applications, it helps extend transmission life while enhancing performance.
Fitment
2006, 2007 Chevrolet Silverado / GMC Sierra 2500HD / 3500HD 8.1L V8 (2WD with LCT1000 6-Speed Transmission)
Warranty
Backed by ATS Diesel Performance’s limited manufacturer warranty. Refer to ATS for complete warranty terms.
Fitment Notes
For use with LCT1000 6-speed transmissions in 2WD GM trucks
Compatible with stock and lightly modified engines
Professional installation recommended for best results
Property | Values |
---|---|
Year Ranges | 2006-2007 |
Make | GM |
Model | |
Series | |
Engine | 8.1L Gas |
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