USA Standard

Ring and Pinion Kit, 4.88 Ratio

$843.89

SKU: ZGK2163

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

Description

The USA Standard Gear ZGK2163 is a comprehensive ring and pinion kit for rear differentials, designed to provide a complete solution for common differential repairs. This kit is specifically engineered for applications with a 10-bolt rear cover and a 12-bolt ring gear, featuring a 11.25-inch ring gear diameter and a 4.88 gear ratio for Dana 80 axles. It is designed for use with carrier cases intended for 4.10 and up gear ratios. The ZGK2163 kit is part of USA Standard's Quick Kits line, which offers a one-stop shopping experience by bundling the ring and pinion gear set with a master install kit. This ring and pinion kit is compatible with a range of Ford, GMC, Chevrolet, and Dodge Ram heavy-duty trucks from the late 1980s through the early 2000s. Specific fitments include Ford F-450 Super Duty (1997-1998), Ford F-350 (1988-1997), Ford F-Super Duty (1990-1997), Ford E-350 Econoline (1997-1998), Ford Econoline Super Duty (1996-1999), GMC P3500 (1992-1999), GMC C3500 (1992-2000), GMC C3500HD (2001-2002), Chevrolet P30 (1992-1999), Chevrolet C3500 (1992-2000), Chevrolet C3500HD (1991-2001), Dodge Ram 3500 (1994-2002), and Dodge Ram 2500 (1994-2002).

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
Part NumberZGK2163
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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