Product Description
The ATS 304-930-4248 Allison Billet Output Shaft is a critical upgrade for high-performance 6.6L Duramax trucks running the Allison transmission from 2001-2018. Engineered to handle significantly higher torque loads than the factory shaft, this billet output shaft is designed to eliminate a major failure point in both towing and high-horsepower applications.
The factory output shaft can twist or fail under increased power levels, especially in tuned or competition setups. ATS addresses this weakness with a precision-machined billet steel shaft that delivers superior strength, durability, and reliability under extreme conditions.
This upgrade is ideal for performance builds, heavy towing, sled pulling, and racing applications where drivetrain integrity is critical. Whether you're pushing big horsepower or simply want peace of mind, this billet shaft ensures your Allison transmission can handle the load.
FAQ
Q: Why upgrade to a billet output shaft?
A: The factory shaft is a known weak point under high torque. A billet shaft provides significantly increased strength to prevent twisting or failure.
Q: Is this required for high horsepower builds?
A: Yes, it is highly recommended for trucks making increased power or used in heavy towing and competition environments.
Q: What transmissions does this fit?
A: This shaft is designed for Allison transmissions used in 2001-2018 6.6L Duramax applications.
Q: Is professional installation recommended?
A: Yes, installation requires transmission disassembly and should be performed by a qualified professional.
Fitment
- 2001-2004 Chevrolet Silverado 2500HD/3500HD 6.6L LB7 Duramax
- 2001-2004 GMC Sierra 2500HD/3500HD 6.6L LB7 Duramax
- 2004.5-2005 Chevrolet Silverado 2500HD/3500HD 6.6L LLY Duramax
- 2004.5-2005 GMC Sierra 2500HD/3500HD 6.6L LLY Duramax
- 2006-2007 Chevrolet Silverado 2500HD/3500HD 6.6L LBZ Duramax
- 2006-2007 GMC Sierra 2500HD/3500HD 6.6L LBZ Duramax
- 2007.5-2010 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax
- 2007.5-2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax
- 2011-2016 Chevrolet Silverado 2500HD/3500HD 6.6L LML Duramax
- 2011-2016 GMC Sierra 2500HD/3500HD 6.6L LML Duramax
- 2017-2018 Chevrolet Silverado 2500HD/3500HD 6.6L L5P Duramax
- 2017-2018 GMC Sierra 2500HD/3500HD 6.6L L5P Duramax
Key Features
- Billet steel construction for maximum strength
- Eliminates a common Allison transmission failure point
- Designed for high horsepower and high torque applications
- Ideal for towing, racing, and performance builds
- Precision machined for durability and reliability
- Direct replacement during transmission rebuild
Specifications for ATS 304-930-4248
| Specification | Details |
|---|---|
| Part Number | 304-930-4248 |
| UPC | Not Available |
| GTIN | Not Available |
| Product Type | Billet Output Shaft |
| Transmission Compatibility | Allison 1000 Series |
| Engine Compatibility | 6.6L Duramax Diesel |
| Model Years | 2001-2018 |
| Material | Billet Steel |
| Installation | Requires transmission disassembly |
| Application | Performance, towing, racing |
| Shipping Info | Standard Ground Shipping |
| Warranty | Limited Manufacturer Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
