Drivetrain› Differentials and Rear-End Components

USA Standard Gear

4.11 Ratio Ring & Pinion Gear Set

$269.24

SKU: ZG GM7.5-411T

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The USA Standard Gear ZG Series Ring and Pinion Set is a high-performance upgrade for your vehicle's drivetrain. Designed with state-of-the-art software, these gears improve towing, off-road, and racing performance.

Each set receives rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing. They are available for front and rear applications and are built to last. When oversized tires are added, the correct set of ring and pinion gears can revive acceleration, making your truck run more efficiently.
Show original supplier description
The USA Standard Ring & Pinion gear set provides a robust upgrade for your vehicle's differential. The 4.11 ratio is particularly beneficial for applications involving towing, hauling, racing, or off-roading, as it helps restore acceleration lost due to oversized tires and can improve overall efficiency. This specific gear set is designed for GM 7.5-inch and 7.625-inch axles, featuring a 7.50-inch ring gear diameter, 10 ring gear bolts, and a 27-spline pinion. These specifications ensure proper fitment and performance within the compatible axle housings. Upgrading your ring and pinion gears can significantly improve your vehicle's ability to put power to the ground, reduce stress on the engine and transmission during demanding use, and revive lost performance. Installation of new gears typically requires specialized tools, including a hydraulic press and dial indicator, in addition to common hand tools. It is also recommended to use a master overhaul kit, which contains essential components like new bearings, seals, shims, and a pinion crush sleeve, to ensure reliable and quiet operation for years to come. USA Standard backs their ring and pinion gears with a one-year warranty against manufacturer defects.

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 NumberZG GM7.5-411T
CategoryDrivetrain
5,000+ Trusted brands
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5M+ Parts sold
(760) 282-4645 hello@motormia.co

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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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