ATS 309-984-4308 Lct1000 6 Speed Stage 1 Transmission Package | 2006-2007 GM 2500HD/3500HD 4WD 8.1L Vortec V8 with LCT1000 6-Speed Transmission

Lct1000 6 Speed Stage 1 Transmission Package

Fitment: 2006-2007 GM 2500HD/3500HD 4WD 8.1L Vortec V8 with LCT1000 6-Speed Transmission
MANUFACTURER: ATS DIESEL PERFORMANCE
SKU: ATS309-984-4308
Price
$5,279.99
Ships From Manufacturer in 15-20 Days

Features:

  • Stage 1 transmission package for LCT1000 6-speed

  • Designed for improved towing and light performance upgrades

  • Upgraded clutch packs and valve body modifications

  • Enhanced torque handling and shift firmness

  • Maintains drivability with improved durability

  • Ideal for daily drivers and mild power enhancements

Performance Benefits
The ATS 309-984-4308 Stage 1 Package is a reliable upgrade for GM 8.1L 4WD trucks equipped with the LCT1000 6-speed transmission. This entry-level performance kit boosts shift quality and torque capacity without sacrificing daily drivability. Engineered for trucks that tow frequently or run with mild performance mods, this kit delivers smoother gear transitions and longer transmission life under load.

Fitment:
2006, 2007 GM 2500HD/3500HD 4WD 8.1L Vortec V8 with LCT1000 6-Speed Transmission

Warranty
Covered under ATS Diesel Performance’s standard manufacturer warranty. Refer to ATS for complete warranty information.

Fitment Notes:

  • Specifically for GM 8.1L 4WD applications with LCT1000 6-speed

  • Suitable for stock to mildly upgraded engines

  • Professional installation is recommended

Note: $500 Shipping surcharge will be added at checkout

Year Ranges Make Model Series Engine
2006-2007 GM 2500HD/3500HD 8.1L Vortec V8
Property Values
Year Ranges 2006-2007
Make GM
Model
Series 2500HD/3500HD
Engine 8.1L Vortec V8

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