Zumbrota Drivetrain

Dana 80 3.31 Ratio Ring & Pinion Gear Set

$671.89

SKU: ZG D80-331

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 set is a replacement gear set engineered for the robust Dana Spicer 80 differential. This set provides a 3.31 gear ratio, crucial for optimizing performance and fuel efficiency depending on the vehicle's intended use. Key specifications include an 11.25-inch ring gear diameter, a 37-spline pinion, and compatibility with 12 ring gear bolts, ensuring a precise fit for the Dana 80 axle. USA Standard Gear prioritizes quality, designing their ring and pinion sets to surpass original equipment manufacturer (OEM) standards. Each set is subjected to stringent in-house quality control processes. This gear set is specifically designed to fit the Dana Spicer 80 axle. It is important to verify fitment with your specific vehicle's axle configuration to ensure proper installation and performance.

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 D80-331
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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