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Drivetrain› Automatic Transmissions and Components

Pacific Performance Engineering

Stage5R Trans Upgrade Kit 2001-2004 w o TC

$1,699.99 $1,529.99 Save $170.00

SKU: P00X 128035611

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The PPE Stage5R Transmission Upgrade Kit (Without Torque Converter) 128035611 is engineered to transmit high-horsepower output through the Allison transmission for GM 6.6L Duramax LB7/LLY. It is suitable for sled pulling, drag racing, and everyday driving. Features advanced friction materials for extreme heat/pressure resistance, improved holding power, durability, and performance. Includes Valve Body Recalibration Kit (boosts clutch holding power without altering shift points), converter flow valve, and upgraded C1, C2, C3, C4 clutches with reinforced steels.

Fitment

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Specifications

BrandPacific Performance Engineering
Part NumberP00X 128035611

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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