Zumbrota Drivetrain

3.73 Ring and Pinion Gear Kit

$677.89

SKU: ZGK2056

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

Description

The Zumbrota Drivetrain ZGK2056 is a comprehensive ring and pinion gear kit designed to upgrade the rear axle of compatible Ford vehicles. This "Quick Kit" from USA Standard Gear provides a 3.73 gear ratio, aiming to enhance towing capacity, improve acceleration, and potentially offer better fuel efficiency in certain driving conditions by optimizing torque delivery at lower speeds. Specifics of the components include an 8.8-inch ring gear diameter, axle bearings with a 2.99-inch outside diameter, and an inner pinion bearing with a 3.250-inch outside diameter. This kit is engineered for applications featuring a 10-bolt rear cover and a 10-bolt ring gear. Installation is estimated to take approximately 6 hours and requires a light to moderate level of mechanical skill. The package contains the ring gear, pinion gear, master installation bearing kit, carrier bearing kit, crush sleeve, necessary shims, and an instructional manual. This USA Standard Gear ZGK2056 is specifically designed to fit 2004-2008 Ford F-150 models.

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 NumberZGK2056
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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