ATS 313-907-4368 Allison Transmission Stage 7 Rebuild Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Manufacturer: ATS Diesel Performance

SKU: ATS313-907-4368
Price
$4,308.68
Ships From Manufacturer in 1-2 Days
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ATS Allison Stage 7 Transmission Rebuild Kit – 313-907-4368

Fits 2011–2019 GM 2500HD / 3500HD with 6.6L Duramax (Allison 1000 Transmission)

When you need the ultimate in transmission performance and reliability, the ATS 313-907-4368 Allison Stage 7 Rebuild Kit delivers. Designed for high-horsepower Duramax applications, this comprehensive rebuild kit transforms your factory Allison 1000 into a race-ready, heavy-duty transmission capable of handling extreme torque, high towing loads, or aggressive tuning.

Whether you're daily driving, towing heavy, or hitting the track, the Stage 7 kit addresses all weak points with billet components, high-friction clutches, and upgraded hydraulics to provide the holding power and durability required in extreme diesel builds.

Key Features:

  • Complete high-performance rebuild kit for Allison 1000

  • Rated for extreme horsepower and torque applications

  • Ideal for racing, sled pulling, or high-performance street use

  • Includes upgraded clutches, steels, gaskets, seals, and billet components

  • Improves clutch holding capacity and transmission longevity

  • Designed to eliminate common Allison failure points under load

  • Developed and tested by ATS Diesel for proven performance

Kit Includes:

  • Billet input shaft

  • Performance clutch packs and steels

  • Gasket and seal kit

  • Heavy-duty C2 hub

  • Billet channel plate

  • Pressure regulator valve upgrades

  • Pump modifications (if applicable)

  • Full assembly instructions

Fitment:
2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Chevrolet Silverado 2500HD / 3500HD
2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 GMC Sierra 2500HD / 3500HD
With 6.6L Duramax and Allison 1000 transmission

Warranty:
Backed by ATS Diesel’s limited warranty. Professional installation strongly recommended. Contact ATS for full terms.

Year Ranges Make Model Series Engine
2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L
Property Values
Year Ranges 2011-2019
Make GM
Model Silverado/Sierra
Series 2500HD/3500HD
Engine 6.6L

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