Zumbrota Drivetrain

8.5-Inch 3.73 Ring and Pinion Gear Set with Yukon Dura Grip

$1,567.89

SKU: ZGK2027

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

Description

The Zumbrota Drivetrain ZGK2027 is a comprehensive differential and rear-end component kit engineered for specific GM vehicles. This all-in-one package includes a USA Standard Gear 3.73 ratio Ring & Pinion gear set, a Yukon Dura Grip clutch-style limited slip differential (LSD), and a master install kit. The kit also provides essential axle bearings and seals, offering a complete solution for differential repairs. It is specifically intended for applications utilizing a 10-bolt rear cover and a 10-bolt ring gear, with an 8.5-inch ring gear diameter. The Yukon Dura Grip LSD is fully rebuildable, ensuring long-term durability and performance. This ZGK2027 kit is part of USA Standard's Quick Kits line, which consolidates all necessary components for common differential repairs into a single part number, simplifying the purchasing process and offering an affordable solution.

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 NumberZGK2027
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