{"product_id":"rev-jk-non-538-k-revolution-gear-5-38-ratio-gear-package-w-koyo-bearings","title":"Revolution Gear and Axle 5.38 Ratio Gear Package w\/ Koyo Bearings","description":"\u003cp\u003eGear Packages from Revolution Gear and Axle include Front and Rear Ring and Pinion Gear Sets and Master Install Bearing Kits.\u003c\/p\u003e\n\u003cp\u003eRe-gear your 2007-18 Jeep Wrangler JK with one of our most popular gear packages. Complete your 4x4 Jeep build with parts from the brand that off-roaders have trusted for decades. Our mating Master Install Kits offer a comprehensive bill of material with all the components needed to overhaul your differential ring and pinion gear set.\u003c\/p\u003e\n\u003cp\u003eGear Package Specifications\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDifferential: Dana 44|Dana 30\u003c\/li\u003e\n\u003cli\u003ePinion Gear Splines: Dana 44 JK Rear: 24 Spline, Dana 30 JK Front: 26 Spline\u003c\/li\u003e\n\u003cli\u003eKoyo Bearings\u003c\/li\u003e\n\u003cli\u003eFits 2007-18 JK Non-Rubicon Models\u003c\/li\u003e\n\u003cli\u003eD30JK Carrier Break: 3.55\/3.73; Front Carrier Required When Upgrading From Factory 3.21 Ratio Only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eJeep Wrangler JK Gear Package Benefits:\u003c\/p\u003e\n\u003cp\u003eVerified Fitment: With thousands sold, you can take the guesswork out of finding the correct gear set and mating bearing kit.\u003c\/p\u003e\n\u003cp\u003eEnhanced Capability and Performance: The optimized gear ratio improves torque delivery to the wheels, allowing for better traction and control. Towing performance is improved when you install the correct gear ratio for your vehicle setup by providing increased torque at lower speeds, making it easier to pull heavy loads without straining the engine. This means smoother, more efficient towing, whether you're hauling a trailer or carrying gear for your next adventure.\u003c\/p\u003e\n\u003cp\u003eIncreased Fuel Efficiency at Highway Speeds: Contrary to what one might expect, the right gear ratio can contribute to better fuel efficiency. By optimizing the engine's RPM at highway speeds, the ring and pinion gear set helps maintain a more efficient fuel consumption rate, saving you money and extending your journeys.\u003c\/p\u003e\n\u003cp\u003eSuperior Strength and Durability: Revolution Gear and Axle is renowned for their commitment to quality. All ring and pinion gear sets are made from high grade steel using precision gear cutting and heat treatment processes that meet or exceed Original Equipment standards. This results in a product that not only performs exceptionally but also withstands the rigors of both daily driving and extreme off-road conditions.\u003c\/p\u003e\n\u003cp\u003eEasy Installation and Quiet Operation: With over 40 years of manufacturing experience, Revolution Gear and Axle ring and pinions are preferred by installers for smooth and consistent setup. Our gear sets offer quiet operation, ensuring a comfortable ride without the annoying gear whine often associated with aftermarket gear sets.\u003c\/p\u003e\nFrequently Asked Questions (FAQs)\nQ: Why upgrade to 5.38 gear ratio on a JK Non-Rubicon?\n\u003cp\u003eA: The 5.38 ratio is ideal for Jeeps running larger tires (typically 38 inches or more), restoring power, torque, and drivability lost due to increased tire diameter.\u003c\/p\u003e\nQ: What are the benefits of Koyo bearings?\n\u003cp\u003eA: Koyo bearings are known for their superior quality, durability, and smooth performance, often outperforming factory bearings under high stress.\u003c\/p\u003e\nQ: Is professional installation recommended?\n\u003cp\u003eA: Yes. Installing ring and pinion gears requires precise setup and specialized tools. Professional installation ensures correct gear mesh and bearing preload.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Type:\u003c\/strong\u003e D30 Front \/ D35 Rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocation:\u003c\/strong\u003e Front and Rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpline Count:\u003c\/strong\u003e 26\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-year Limited\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e JK Non-Rubicon\u003c\/p\u003e","brand":"Revolution Gear and Axle","offers":[{"title":"Default Title","offer_id":48116218626225,"sku":"REV-JK-NON-538-K","price":854.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/9004\/0753\/files\/dvtq9p1vquevhhz2rr6x.jpg?v=1793281831","url":"https:\/\/wp4x4.com\/products\/rev-jk-non-538-k-revolution-gear-5-38-ratio-gear-package-w-koyo-bearings","provider":"WP4x4","version":"1.0","type":"link"}