Sale

Allstar

3.73 Ring and Pinion Gear Set

$186.99 $169.99 Save $17.00

SKU: ALL70124

In Stock
In Stock
Ships by Aug 29
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Allstar Performance ALL70124 is a ring and pinion gear set specifically engineered for GM 8.5-inch 10-bolt differential applications. This kit provides a 3.73 gear ratio, ideal for balancing acceleration and cruising, paired with 30 pinion splines for robust engagement. The gears are lapped in matched sets to ensure quiet operation and optimal performance right out of the box. This comprehensive kit contains all the necessary components for a complete ring and pinion replacement. Key specifications include a ring gear diameter of 8.500 inches and a pinion shaft diameter of 1.626 inches. The differential case design type is compatible with GM 8.5/8.6 inch differentials.

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

BrandAllstar
Part NumberALL70124
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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