Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

USA Standard Gear standard spider gear set for GM 8.5 30 spline 8.5 30spl STD SPIDER SET GM

$191.89

SKU: U018 ZIKGM8.5-S-30

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The USA Standard (Yukon) ZIKGM8.5-S-30 is a spider gear kit designed for GM 8.5-inch open differentials with 30 spline axles. This kit utilizes higher quality materials and superior manufacturing techniques compared to OEM to ensure a longer-lasting spider gear set. It includes all necessary components for a complete replacement, such as two side gears, two pinion gears, a cross pin shaft, a cross pin bolt, and spider gear thrust washers.

Fitment

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Specifications

BrandUSA Standard (Yukon)
Part NumberU018 ZIKGM8.5-S-30

Buy with Confidence

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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