Zumbrota Drivetrain

4.56 Ratio Ring and Pinion Gear Set

$454.89

SKU: YG GM12T-456

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

Description

The Yukon high performance ring and pinion gear set is engineered for GM 12 bolt truck applications. This set is designed to meet OEM specifications and features a 4.56 ratio, an 8.875" ring gear diameter, a 30 spline pinion, and 12 ring gear bolts. The gear tooth surface finish is optimized to reduce friction and heat, utilizing high-grade steel for durability. Yukon Gear & Axle is known for setting the standard in quality for ring and pinion sets. This component is built to provide high performance, ensuring reliable operation for your drivetrain. The precise fitment is designed to integrate seamlessly with existing GM 12 bolt truck components. This product is part of the Drivetrain category, specifically under Drive Shafts and Components. It is a direct replacement or upgrade for the specified GM 12 bolt truck differentials.

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 NumberYG GM12T-456
CategoryDrivetrain

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

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

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