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Drivetrain› Automatic Transmissions and Components

Xcalliber

Allison Billet Performance Output Shaft

$764.00 $557.75 Save $206.25

SKU: 29531252-X

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Xcalliber Allison Billet Performance Output Shaft is a high-strength component designed for demanding Allison 1000 applications. It is constructed from 9310 Vaccumelt Billet Steel and features heat treatment and shot-peening for added durability. This output shaft is ideal for Duramax owners engaged in frequent 4WD launches and drag racing with high-output engines.
Show original supplier description
The Xcalliber Allison Billet Performance Output Shaft is engineered for high-power Allison 1000 transmissions, specifically targeting Duramax owners who participate in frequent 4WD launches and drag racing. This robust shaft is crafted from premium 9310 Vaccumelt Billet Steel, ensuring it can withstand extreme torque and horsepower situations. It also comes equipped with the late Teflon-lined Garlock bushing for smooth operation and a corrosion-resistant black oxide coating for longevity and easy identification. The manufacturing process emphasizes strength and reliability, with the product proudly made in the USA. This output shaft is designed for 2001 through 2010 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models equipped with 4WD and the Allison 1000 transmission. It is recommended for customers performing boost launches and those making over 900 horsepower, ensuring the transmission can endure the stresses of high-performance driving.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandXcalliber
Part Number29531252-X
CategoryDrivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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