Motive Gear MGK-100, Ring & Pinion Bearing Rebuild Kit For Dana 30/44 JK Front & Rear Ratio 4.11, 10-Bolt, 24/26 Spline, 9 Pinion & 37 Ring Tooth - Fits Jeep Wrangler JK Replaces Nitro & Revolution

Short Summary: The Motive Gear MGK-100 ring and pinion package is engineered for 2007–2018 Jeep Wrangler JK models with Dana 30 front and Dana 44 rear axles (non-Rubicon). With a 4.11 ratio and included Timken bearing kits, this set is ideal for gear upgrades and off-road performance.Key FeaturesApplication: Dana 30 JK Reverse (Front), Dana 44 JK Standard (Rear)Gear Ratio: 4.11 | Pinion Teeth: 9 | Ring Teeth: 37Carrier Breaks: Front: 3.73+ Open Carrier RequiredMaterial: 8620 Steel | Includes: Timken Bearing KitsWarranty: 1 Year / 50,000 Miles | UPC: 00698231942932Vehicle Compatibility2007–2018 Jeep Wrangler (JK, Non-Rubicon)Replaces OEM & Aftermarket Part NumbersNitro Gear & Axle: GPJKNONRUB-4.11Revolution Gear & Axle: REV-JK-NON-411Warranty & Quality Assurance Motive Gear offers a 1-year or 50,000-mile warranty, ensuring peace of mind and lasting performance. Manufactured from premium 8620 steel with precise engineering, this ring and pinion set delivers strength and durability in both highway and off-road conditions.

• Engineered for Dana 30 front (JK Reverse) and Dana 44 rear axles on Jeep Wrangler JK models, providing a 4.11 ratio upgrade for better torque and off-road control.
• Engineered for Dana 30 front (JK Reverse) and Dana 44 rear axles on Jeep Wrangler JK models, providing a 4.11 ratio upgrade for better torque and off-road control.
• Includes premium Timken bearing kits, ring & pinion gears with 9 pinion teeth and 37 ring gear teeth; made from durable 8620 steel for long-lasting performance.
• Front: 10-bolt cover, 1.376" pinion shaft, 24 spline; Rear: 10-bolt cover, 1.625" pinion shaft, 28 spline; reverse front rotation and standard rear rotation.
• Requires a 3.73+ front carrier; if currently using a 3.21 ratio, a new front carrier is required for proper compatibility and fitment.