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Transmission Parts

Pacific Performance Engineering

Stage6G Transmission Upgrade Kit Without Torque Converter - GM Allison

$1,599.99 $1,439.99 Save $160.00

SKU: P00X 128035512

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item

Description

The PPE Stage6G Transmission Upgrade Kit (MPN 128035512) is the strongest transmission upgrade kit offered by PPE, built for top-level performance and heavy-duty use. It includes C1, C2, C3, and C4 clutches, a valve body recalibration kit (which increases clutch holding power without changing shift points), a boost valve, pump shim, and gaskets. A billet triple clutch converter is optional and sold separately. This kit is 50 States Emissions Legal (E.O. D-701-18).

Fitment

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Specifications

BrandPacific Performance Engineering
Part NumberP00X 128035512

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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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