Product Description
Extreme Allison Performance Rebuild Kit – ATS Stage 7
The ATS 313-907-4248 Allison Stage 7 Rebuild Kit is engineered for serious performance and durability in 2001–early 2004 6.6L Duramax (LB7) trucks equipped with the Allison 1000 transmission. Designed for high-horsepower builds, heavy towing, and demanding diesel applications, this Stage 7 kit delivers maximum strength and reliability.
Factory Allison components can struggle under increased torque and load. ATS solves this with a performance-focused rebuild kit that increases clutch holding capacity, improves shift quality, and significantly enhances transmission longevity.
This kit is ideal for diesel owners pushing power levels beyond stock or looking to build a transmission capable of handling extreme conditions.
Key Features:
- Stage 7 performance rebuild kit for Allison 1000 transmissions
- Designed for high-horsepower and heavy-duty applications
- Increased clutch holding capacity and durability
- Improves shift performance and transmission reliability
- Ideal for towing, racing, and modified trucks
- Engineered by ATS Diesel Performance
FAQ
What makes this a Stage 7 rebuild kit?
Stage 7 indicates a high-performance build level designed for maximum strength, upgraded components, and increased torque capacity.
Is this kit suitable for stock trucks?
Yes, but it is primarily designed for trucks with increased power or heavy-duty use where maximum durability is needed.
What transmission does this fit?
It fits Allison 1000 transmissions used in 2001–early 2004 Duramax applications.
Does this require professional installation?
Yes, installation requires full transmission disassembly and should be performed by a qualified technician.
Fitment:
- 2001–Early 2004 Chevrolet Silverado 2500HD / 3500
- 2001–Early 2004 GMC Sierra 2500HD / 3500
- 6.6L Duramax Diesel (LB7)
- Allison 1000 Automatic Transmission
Note: Verify early 2004 vs late 2004 transmission differences before purchase.
Specifications for ATS 313-907-4248
| ATS 313-907-4248 Product Specifications | |
|---|---|
| Part Number | 313-907-4248 |
| Brand | ATS Diesel Performance |
| Product Type | Stage 7 Allison Rebuild Kit |
| Transmission Compatibility | Allison 1000 |
| Engine Compatibility | 6.6L Duramax (LB7) |
| Vehicle Fitment | 2001–Early 2004 Silverado / Sierra 2500HD & 3500 |
| UPC |
840440597629 |
| GTIN |
840440597629 |
| Shipping Weight | Approx. 35 lbs |
| Shipping Dimensions | Approx. 18" x 14" x 10" |
| Core Charge | yes |
| California Prop 65 | WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov |