ATS 309-845-4290 Stage 4 Allison LCT1000 Crate Transmission | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY PTO 4WD

Features: - Complete Stage 4 Allison transmission package - Fits 2004.5-2005 6.6L LLY Duramax 4WD - Includes ATS Five Star torque converter - Deep transmission pan improves fluid cooling - Co-Pilot controller enhances shift performance - Billet input and output shafts for strength - Designed for towing and performance applications - Compatible with PTO-equipped GM HD trucks - Increased durability under heavy load and power - Engineered for Silverado and Sierra 2500HD/3500HD - $500 shipping surcharge applies at checkout Serious Transmission Strength for Your LLY Duramax If your 2004.5-2005 Silverado or Sierra HD is starting to feel the strain of towing heavy loads or running higher horsepower, the ATS Stage 4 Allison LCT1000 Crate Transmission is the upgrade you’ve been looking for. This transmission package is purpose-built for 4WD Duramax LLY trucks with PTO provisions, making it a perfect match for both work and play. Whether you’re hauling equipment to the jobsite or hitting the highway with your weekend toys, this transmission is designed to handle the stress that leaves stock units behind. Fully assembled and ready to install, it’s a complete performance solution that takes your truck’s reliability and capability to the next level. Complete Package Built With Proven ATS Components This package doesn’t just stop at a stronger transmission case. It includes ATS’s Five Star torque converter, designed to improve torque transfer and reduce driveline stress under heavy loads. A deep transmission pan comes standard, helping keep temperatures under control by improving fluid capacity and cooling. The ATS Co-Pilot Transmission Controller takes shift control to the next level, optimizing pressure and timing to ensure smooth, reliable shifts in any driving situation. Inside, billet input and output shafts replace factory weak points with components built to withstand increased torque and horsepower. If you’re ready to build a truck that’s as dependable as it is powerful, this Stage 4 package is a smart choice. Keep in mind, a $500 shipping surcharge will be added at checkout. Fits: 2004.5, 2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY PTO 4WD