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SKU: ATS313-907-4248

Allison Transmission Stage 7 Rebuild Kit

Ships From Manufacturer in 1-2 Days
Confirmed fitment below
YEARS
2001-2004
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LB7/6.6L Duramax LLY
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PRODUCT DETAIL

Key Features & Description

2001 to Early 2004 GM Allison 5 speed Kit (Stage 7).
Includes:

  • TripleLok Torque Converter (Patented Square tab)
  • Pump Kit
  • Manufactured C1, C2, C3, C4, and C5 clutch packs
  • C1 Includes Exclusive 16 single sided friction plates with HD pressure plate
  • C2 Includes 8 Friction plates and 8 Laser Cut steel plates with step ground pressure plate
  • C3 Includes 5 Exclusive full friction plates and laser cut steel plates with micro ground pressure plate
  • C4 Includes 6 frictions and 5 laser cut steels
  • C5 includes 6 frictions and 5 laser cut steels
  • Valve Body Calibration Kit, A and B Trim Valves
  • All Seals and Gaskets
  • Internal and External Filters
  • Co-Pilot Transmission Controller
  • Built to handle street/strip, sled-pulling, 1000rwhp plus And can still be daily driven.

Application:

  • 2001-2004 2500/3500
  • Duramax GM Light Duty
  • Diesel

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2001-2004
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LB7/6.6L Duramax LLY

Document Downloads

Forms & Guides

📄 Download Core Return Form (PDF)

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