Zumbrota Drivetrain

9.25" IFS Reverse Rotation 3.73 Ratio Ring and Pinion Gear Set

$272.32

SKU: ZG GM9.25-373R

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 is engineered to exceed OEM specifications for GM 9.25" IFS reverse rotation differentials. This set provides a 3.73 gear ratio, featuring a 9.25" ring gear and a 30-spline pinion compatible with 12 ring gear bolts. USA Standard Gear ensures the quality of their ring and pinion sets through rigorous in-house evaluation, including dimensional, material, and fitment testing. This commitment guarantees that each set meets high standards for performance and durability. This ring and pinion set is specifically designed to fit GM 9.25" front differentials. Compatibility details and further fitment information can be found by clicking the 'Fitment' link. The product comes with a 1-Year Limited Warranty. Please note that this product is subject to California's Prop 65 Warning regarding chemicals known to cause cancer.

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

BrandZumbrota Drivetrain
Part NumberZG GM9.25-373R
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

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