Zumbrota Drivetrain

5.13 Ratio Ring & Pinion Set for Dana 30 JK

$310.89

SKU: ZG D30SR-513JK

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

Description

The USA Standard Ring & Pinion set is engineered to exceed OEM specifications for the Dana 30 JK reverse rotation front differential. Each set undergoes rigorous in-house quality evaluation to ensure it passes dimensional, material, and fitment testing. This ring and pinion set offers a 5.13 gear ratio, which is beneficial for larger tire applications, providing improved torque multiplication. It features a 24-spline count and uses 10 ring gear bolts, with a ring gear diameter of 7.33 inches. The product is specifically designed for the Jeep JK model with a reverse rotation Dana 30 front differential. USA Standard Gear is a brand from the Zumbrota Drivetrain family, known for providing reliable drivetrain components.

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 D30SR-513JK
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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