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Drivetrain› Differentials and Rear-End Components

Oldsmobile

9-Inch Ford Axle Housing with 31-Spline Axle Package

$1,370.99 $1,366.99 Save $4.00

SKU: 99006872

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In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Speedway Motors 99006872 is a direct-fit, bare steel 9-inch Ford axle housing engineered for 1968-72 GM A-Body vehicles, providing a robust solution for drivetrain upgrades. This axle package features a 31-spline performance axle configuration, complete with new bearings, seals, retainers, and T-bolts, ensuring reliable performance and durability. The housing length measures 55.75 inches from flange to flange, and it is a semi-floating axle type. This specific variant is sold as a housing with axles only, and does not include brakes.

MIA's Description

The Speedway Motors 99006872 is a bare steel 9-inch Ford axle housing designed for 1968-72 GM A-Body vehicles. It features pre-welded shock mounts and stock location control arm mounts for a stock ride height. This axle assembly includes a 31-spline performance axle package with new bearings, seals, retainers, and T-bolts.

Fitment

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Specifications

BrandOldsmobile
Part Number99006872
CategoryDrivetrain

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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