Zumbrota Drivetrain

8.2" Differential Ring and Pinion Gear Set, 3.55 Ratio

$512.89

SKU: ZG GM8.2-355

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

Description

The USA Standard Gear ring and pinion gear set is engineered to enhance the performance and reliability of GM 8.2" differentials. These evaluations ensure that the products meet strict dimensional, material, and fitment testing standards, providing confidence in their performance and durability. This specific gear set is built for GM 8.2" applications and includes an 8.20" ring gear diameter, a 25-spline pinion, and provisions for 10 ring gear bolts. The 3.55 gear ratio is ideal for balancing acceleration and highway cruising, making it a versatile choice for various driving needs. USA Standard Gear aims for quality, with all sets subjected to rigorous testing to confirm they pass dimensional, material, and fitment requirements. This meticulous process ensures that the ring and pinion set will perform as expected and integrate seamlessly with compatible differential housings.

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 NumberZG GM8.2-355
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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