USA Standard Gear

Rear Axle Kit, 31 Spline 32-Inch

$253.89

SKU: ZA K630224

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The USA Standard Gear ZA K630224 is a rear axle kit specifically engineered for Ford 9-inch differentials, featuring 31 splines and a 32-inch length. Constructed from advanced alloys and subjected to the latest heat-treating technologies, the ZA K630224 axle shaft offers superior strength and durability. It is designed for rear applications and includes a 5-lug pattern with a 5 x 5.5-inch wheel bolt pattern. The comprehensive kit comes complete with a seal, studs, a differential cover gasket, and lug nuts, making for a straightforward installation. Applications include the 1978-1986 Ford Bronco (Rear), the 1976-1983 Ford F-100 (Rear), and the 1976-1987 Ford F-150 (Rear). Each application note specifies that it is for the Ford 9-inch Rear Axle Shaft Kit (1 Side) and confirms the 5 Lug, 32-inch Length, and 31 spline count.

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

BrandUSA Standard Gear
Part NumberZA K630224
CategoryDrivetrain

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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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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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