USA Standard Gear

Master Overhaul Kit

$405.89

SKU: ZK C8.75-D

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

Description

This kit specifically fits housings with 25520 carrier races and utilizes durable Koyo bearings and races for reliable performance. This comprehensive kit ensures you have everything needed for a successful differential installation. It includes carrier bearings and races, pinion bearings and races, a pinion seal, a complete shim kit for precise adjustments, ring gear bolts, a pinion nut, a crush sleeve for proper pre-load, thread locker for secure assembly, and marking compound with a brush for gear pattern checking. The kit is designed for regular grade applications and comes with a 1-year warranty against manufacturer defects. This overhaul kit is compatible with a wide range of Chrysler, Dodge, and Plymouth vehicles from the 1960s and early 1970s. Specific applications include the 1961-1973 Chrysler Imperial and New Yorker, various Dodge D and W series trucks (1960-1968), Dodge A100 and B100/B200 vans (1964-1973), and performance models like the Dodge Challenger and Charger (1970-1973 and 1966-1973 respectively). It also fits Plymouth Barracuda, Belvedere, Duster, Fury, GTX, and Satellite models from the 1960s and early 1970s. Note that this part is listed as 'This Part Does Not Fit the Vehicle You Entered' on some retail sites, and a specific fitment list is provided.

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

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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

BrandUSA Standard Gear
Part NumberZK C8.75-D
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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