Zumbrota Drivetrain

4.56 Ratio Ring and Pinion Gear Set with Koyo Bearings Master Install Kit

$725.89

SKU: ZGK2068

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

Description

The USA Standard Gear ZGK2068 is a comprehensive differential installation kit package. This kit is specifically designed for applications featuring a 10-bolt rear cover and a 10-bolt ring gear. Key specifications include a ring gear diameter of 8.8 inches and an inner pinion bearing with a 3.544-inch outside diameter. The kit also comes with 2.99-inch OD axle bearings and seals, providing a complete solution for differential overhauls. The gear ratio provided in this specific kit is 2.985, contradicting some other listed specs which mention 4.56. It is recommended to verify the exact gear ratio needed for your specific application.

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 NumberZGK2068
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

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.

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