Zumbrota Drivetrain

4.30 Ratio 10.5-Inch Ring Gear Rear Ring and Pinion Gear Set

$964.89

SKU: ZGK2137

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

Description

The Zumbrota Drivetrain ZGK2137 is a comprehensive rear ring and pinion gear set and installation kit designed for Ford vehicles with a 10.5-inch ring gear diameter. This kit provides a 4.30 gear ratio, which is often selected for applications requiring improved acceleration or the ability to turn larger tires. It is specifically designed for rear differentials featuring a 12-bolt rear cover and a 12-bolt ring gear. Included in this "Quick Kit" are a USA Standard Gear ring and pinion gear set and a master install kit. The kit specifically includes the NP761271 / NP998236 inner pinion bearing and race. The product also comes with a 1-year limited warranty, and the seller offers free shipping on orders over $199.

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 NumberZGK2137
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