2007–2018 Jeep Wrangler JK (Front Dana 30, Non‑Rubicon) 4WD
2018+ Jeep Wrangler JL (Front Dana 30, Non‑Rubicon) – fitment beyond 2018 should be verified
Features
4.88 gear ratio for enhanced torque and off‑road performance
Reverse rotation design tailored for front Dana 30 on JK/JL Non‑Rubicon models
Constructed from premium 8620 alloy steel for exceptional durability
Precision‑machined gear set ensures smooth operation and minimal noise
Backed by a warranty (typically 2 years) for manufacturer defects
Ideal for both stock and modified (lifted) front Dana 30 axles in JK/JL
Very effective for drivers towing, off‑roading, or seeking stronger front end gear performance
Kit includes all necessary components for ring & pinion replacement—see included components below
Specifications
Axle: Dana 30 front (JK/JL Non‑Rubicon) as indicated by manufacturer and catalog listings
Gear ratio: 4.88
Rotation: Reverse
Material: 8620 alloy steel
Pinion splines: 26 (as specified in user‑listings)
Ring gear diameter: approx. 7.2″
Cover bolts: either 10‑bolt or 12‑bolt pattern depending on axle version
Included Components
1x Ring gear
1x Pinion gear
1x Pinion bearing or bearing set (depending on kit variant)
1x Ring gear bolts set
Seals/hardware as required for Dana 30 front axle installation
Product Description
The Revolution Gear & Axle D30JK‑JL‑488R ring and pinion set is engineered for the front Dana 30 axle of the Jeep Wrangler JK and early JL Non‑Rubicon models. With a 4.88 ratio and reverse rotation, this high‑performance gear set delivers a significant boost in torque delivery and driveline responsiveness—particularly beneficial for off‑road driving, heavy hauling, or larger‑tire setups.
Built from premium 8620 alloy steel and precision machined to exacting specifications, the D30JK‑JL‑488R offers robust durability and long‑lasting reliability. The reverse rotation configuration is specifically designed for front Dana 30 axles in these vehicles, helping ensure correct gear engagement and performance.
Fitment is listed for 2007‑2018 Jeep Wrangler JK and 2018+ Jeep Wrangler JL equipped with a front Dana 30 axle. Always verify your vehicle uses the Dana 30 front axle and check current gear ratio before purchase. Coverage for model years beyond 2018 and up to 2025 may vary and should be confirmed with the manufacturer.
*Parts are for USA spec vehicles, please contact us to verify fitment on JDM & international models.
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Canada customers - If eBay does not collect import & duty fees during checkout, the shipping carrier will collect them prior to delivery.
· · · RETURNS · · ·
Your complete shopping satisfaction is our #1 priority. If an item you ordered from us does not meet your expectations, please contact us within 30 days of receiving the item(s). If your order arrives damaged from shipping please contact us and we will provide a prepaid return label to send back for a replacement or refund.
Returned items must be in the original packaging (including plastic wrapped items) and in brand new condition.
Any returns received installed, mounted, used or missing components will be subject to return fee's.
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