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Find Transmission & Transfer Case for your Sierra 2500

BD Power Stage 4 Build-It Transmission Kit; $200 Core Charge Included (Late 04-06 6.6L Duramax Sierra 2500 HD)Find parts that fit my vehicle

Item HG51731
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3 Reviews of BD Power
Our Price

$2,602.95 kit

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Stage 4 Build-It Transmission Kit
      • Enhances Clutch Packs For Increased Torque Capacity
      • Precision-Machined Plate Assemblies
      • Upgraded Valve Body Components
      • High-Performance Friction Plates
      • Improves Shift Quality and Durability
      • Direct Bolt-On Replacement
      • Six-Hour Installation
      • Fits Late 2004-2006 6.6L Duramax Sierra 2500 HD Models

      Description

      Built for Big Power and Heavy Loads. The BD Power Stage 4 Build-It Transmission Kit is engineered to handle serious horsepower, torque, and towing demands, making it the ideal upgrade for high-output applications and workhorse builds. Whether you're hauling heavy trailers, running oversized tires, or pushing high-performance tuning, the BD Power Stage 4 Build-It Transmission Kit delivers the internal fortification and precise calibration needed to manage extreme stress without compromise. This kit is the go-to solution for those who demand more than what stock transmissions can handle—offering a battle-tested foundation for serious drivetrains.

      Fully Reinforced for Maximum Durability. At the core of the BD Power Stage 4 Build-It Transmission Kit are upgraded clutch packs, performance steels, a high-capacity torque converter, and precision-machined components that drastically improve holding power and resistance to heat. Designed to eliminate weak points and increase longevity, every component in the BD Power Stage 4 Build-It Transmission Kit is chosen for its proven durability under prolonged heavy-duty use. Whether towing up steep grades or unleashing throttle on the open road, this kit provides the reinforced strength to hold power reliably.

      Improved Shifting and Power Delivery. The BD Power Stage 4 Build-It Transmission Kit includes shift-enhancing components and valve body upgrades that refine gear engagement, reduce slippage, and increase shift speed. These upgrades optimize line pressure and clutch application timing, delivering crisp, confident shifts that translate to better drivability and more efficient power transfer. With the BD Power Stage 4 Build-It Transmission Kit, your transmission becomes a precision-tuned performance tool that enhances both control and responsiveness under load.

      Installation. Putting this BD Power Stage 4 Build-It Transmission Kit; $200 Core Charge Included on your 6.6L Duramax Sierra 2500 HD takes 6 hours to install.

      Application. The BD Power Stage 4 Build-It Transmission Kit; $200 Core Charge Included fits late 2004-2006 6.6L Duramax Sierra 2500 HD models.

      BD Power 1062214

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 6 Hours

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

      What's in the Box

      • (1) C1 Clutch Pack
      • (1) C2 Clutch Pack
      • (1) C3 Plate Assembly – Machined
      • (12) C3/C4 Friction Plates
      • (2) C3/C4 Pistons – Machined
      • (10) C3/C4 Reaction Plates
      • (2) C3/C4 Spring Plates
      • (1) C4 Plate Assembly – Machined
      • (7) C5 Friction Plates
      • (1) C5 Plate Assembly – Machined
      • (7) C5 Reaction Plates – .097
      • (1) Crazy Washer
      • (1) E Shift Valve Spring
      • (1) Main Filter
      • (1) Deep Suction Filter
      • (1) F-Trim Valve End Sleeve
      • (1) G Solenoid Plate
      • (1) Lock-Up Boost Kit
      • (1) Overhaul Kit
      • (1) Pressure Switch Assembly
      • (1) Shift Kit
      4.7

      Reviews of BD Power Drivetrain Products (3)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 2500

      • 6.6L V8 Duramax - 04, 05, 06