Zumbrota Drivetrain

10.25" Ring and Pinion Gear Set 4.88 Ratio 31 Spline

$262.89

SKU: ZG F10.25-488L

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

Description

The USA Standard Ring & Pinion gear set offers a 4.88 ratio for Ford 10.25" axles, providing enhanced gearing for specific applications. This set is engineered for 1993 through 1999 Ford vehicles equipped with the 10.25" axle. Key specifications include a 10.25" ring gear diameter, a 31-spline pinion, and 12 ring gear bolts, all designed for a precise and robust fit. The set is manufactured by USA Standard Gear, a trusted name in drivetrain components. This gear set is intended as a direct replacement for the Zumbrota Drivetrain ZG F10.25-488L, ensuring compatibility and straightforward installation for mechanics and enthusiasts alike.

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

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

BrandZumbrota Drivetrain
Part NumberZG F10.25-488L
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy