Sale

USA Standard Gear

Master Overhaul Kit

$311.33 $305.89 Save $5.44

SKU: ZK T8-A-SPC

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

Description

The USA Standard Gear ZK T8-A-SPC is a comprehensive master overhaul kit engineered to provide all the essential components for a complete differential overhaul. This kit simplifies the process by consolidating everything needed into a single part number, streamlining the procurement and installation for DIY enthusiasts and professional mechanics alike. It is specifically designed for Toyota 8-inch differentials equipped in 4-cylinder engines. This overhaul kit is compatible with Toyota vehicles from 1985 and earlier. For models from 1986 onwards, it can be used provided an aftermarket ring and pinion set has been installed. All necessary components are provided, such as carrier bearings and races, pinion bearings and races, a pinion seal, a complete shim kit, ring gear bolts, pinion nut, crush sleeve eliminator, thread locker, marking compound with a brush, and a gasket. By utilizing this master overhaul kit, users can expect a more efficient and cost-effective differential repair or upgrade. The inclusion of all components ensures that no essential part is overlooked during the rebuild process, contributing to a more reliable final assembly.

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

BrandUSA Standard Gear
Part NumberZK T8-A-SPC
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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