Drivetrain Differentials and Rear-End Components

QA1 Precision Products, Inc

Rear Axle Asm Ford 9in F Body 67-69 X-Body 68-72

$3,265.11

SKU: Q00B R901S

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The QA1 R901S is a Ford 9-inch rear axle housing, 60 inches wide with a 5 x 4.75 inch wheel bolt pattern and 3-inch axle tubes, made of steel with a black powder coat finish. It is designed for 1967-1969 GM F-Body and 1968-1972 GM X-Body vehicles, exclusively compatible with QA1 four-link suspension systems. This housing enhances performance and durability, supporting up to 800 HP, and includes 31-spline 1541H alloy axles rated for up to 650 HP. It features formed trailing arm brackets, a bolt-on design, and dedicated ports for easy servicing.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandQA1 Precision Products, Inc
Part NumberQ00B R901S

Videos

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.

View Full Return Policy