Suncoast CAT1 500 HP CUSTOM ALLISON TRANSMISSION WITH CONVERTER 2WD (GMAX-CAT1-LB7-0103-2WD) for 2001-2004 Duramax LB7
$8,505.00
The Sun Coast CAT1 500 HP Allison transmission GMAX-CAT1-LB7-0103-2WD is built for 2001–2004 Duramax LB7 trucks with a 2WD drivetrain. This upgraded transmission handles up to 500 horsepower while improving durability and shift quality. The package includes a matched high-performance torque converter for efficient power transfer. It provides a reliable upgrade for towing, daily driving, and mild performance builds.
Sun Coast CAT1 500 HP Allison Transmission with Converter 2WD
The Sun Coast CAT1 500 HP Allison Transmission GMAX-CAT1-LB7-0103-2WD is a performance transmission upgrade designed for 2001–2004 GM Duramax LB7 trucks equipped with a 2WD drivetrain. This transmission package strengthens the factory Allison platform and provides improved reliability for trucks producing higher power levels.
Sun Coast engineered this transmission to handle up to 500 horsepower while maintaining smooth drivability. As a result, it works well for daily driving, towing, and trucks running mild performance upgrades.
Built for Strength and Reliability
The Sun Coast CAT1 Allison transmission includes upgraded internal components that improve durability compared to the factory transmission. These upgrades increase torque capacity and help prevent common failures found in stock Allison units.
Improved internal components help the transmission handle increased engine output while maintaining consistent performance. As a result, the transmission performs reliably under load and during heavy towing.
Matched High Performance Torque Converter
This package includes a high-performance torque converter designed specifically for this transmission build. The converter improves power transfer from the engine to the drivetrain.
A properly matched converter helps reduce slippage and improves drivability. This allows the truck to accelerate more smoothly and maintain power when towing or climbing grades.
Improved Shift Quality
Sun Coast also recalibrates the transmission to improve shift quality. The upgrades provide firmer and more controlled gear changes compared to the factory unit.
Better shift control helps the transmission stay within the optimal power range while reducing heat buildup during heavy loads.
Designed for LB7 Duramax Trucks
The Sun Coast CAT1 500 HP Allison transmission is built specifically for 2001–2004 Duramax LB7 trucks with 2WD. The transmission installs as a direct replacement for the factory Allison transmission.
Because it is built as a complete package, installation is straightforward for professional installers.
Key Features
Designed for 2001–2004 Duramax LB7 trucks with 2WD
Handles up to 500 horsepower
Upgraded internal transmission components for improved durability
Increased torque capacity compared to the factory Allison transmission
High-performance torque converter included
Improved shift quality and drivability
Designed for daily driving, towing, and mild performance upgrades
Direct replacement for the factory Allison transmission
| Weight | 48 lbs |
|---|---|
| Dimensions | 19 × 16 × 13 in |
Fitment
2001-2004 Duramax LB7
Features
- For 2WD Applications
- SunCoast custom clutch packs
- SunCoast custom Steels
- SunCoast custom billet plates
- SunCoast custom overhaul kit
- Valve body calibration kit
- SunCoast gasket kit
- Pan Filter
- Spin on filter
- Pan gasket
- SunCoast Filter Loc
- New internal wiring harness
- SunCoast Triple Disc Billet Category 1 Converter
Note: A $500 shipping surcharge will be added.
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