{"product_id":"yukon-gear-install-kit-package-for-jeep-jk-non-rubicon-in-a-4-56-ratio","title":"Yukon Gear \u0026 Install Kit Package For Jeep JK (Non-Rubicon) in a 4.56 Ratio","description":"\u003ch4\u003eYukon Gear Install Kit Package for Jeep JK Non-Rubicon, 4.56 Ratio (YGK012)\u003c\/h4\u003e\n\u003cp\u003eThe YGK012 install kit package from Yukon Gear provides everything needed to regear the Dana 30 front axle and Dana 44 rear axle of a non-Rubicon Jeep Wrangler JK to a 4.56 gear ratio. Unlike Rubicon-spec Wranglers that come with Dana 44 front and rear, the non-Rubicon JK uses a Dana 30 front, and YGK012 is specifically kitted to match. A 4.56 ratio is a popular re-gear target for non-Rubicon JK owners running 35-inch or larger tires, restoring throttle response and driveability lost with the larger rubber. YGK012 includes ring and pinion sets, plus all necessary bearings, seals, shims, and hardware for a complete, professional-quality installation.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures and Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eComplete re-gear kit for Dana 30 front and Dana 44 rear axles in one purchase\u003c\/li\u003e\n\u003cli\u003e4.56 gear ratio optimized for Jeep Wrangler JK non-Rubicon models running larger tires\u003c\/li\u003e\n\u003cli\u003eIncludes ring and pinion sets for both axles plus all install hardware (bearings, seals, shims, crush sleeve)\u003c\/li\u003e\n\u003cli\u003eYukon Gear components manufactured to high-quality tolerances for proper mesh geometry and quiet operation\u003c\/li\u003e\n\u003cli\u003eEliminates the need to separately source front and rear install kits\u003c\/li\u003e\n\u003cli\u003eImportant: If your JK currently runs the factory 3.21 gear ratio, a new front carrier (spider gear carrier) is required and sold separately\u003c\/li\u003e\n\u003cli\u003eFor non-Rubicon JK only (Dana 30 front axle) - not for Rubicon models with Dana 44 front\u003c\/li\u003e\n\u003cli\u003eFits 2007-2018 Jeep Wrangler JK and Unlimited JK non-Rubicon\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Unlimited Sahara, Unlimited X, X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Unlimited Sahara, Unlimited X, X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Unlimited Sahara, Unlimited X, X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Unlimited Sahara, Unlimited Sport, Unlimited X, X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Unlimited Sahara, Unlimited Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Unlimited Sahara, Unlimited Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Unlimited Sahara, Unlimited Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Unlimited Sahara, Unlimited Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Unlimited Sahara, Unlimited Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Sport S, Unlimited Sahara, Unlimited Sport, Unlimited Sport S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Unlimited Sahara, Unlimited Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler JK\u003c\/td\u003e\n\u003ctd\u003eSahara, Sport, Sport S, Unlimited Sahara, Unlimited Sport, Unlimited Sport S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eYGK012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e883584310129\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Differential\u003c\/td\u003e\n\u003ctd\u003eDana 30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Differential\u003c\/td\u003e\n\u003ctd\u003eDana 44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Ratio\u003c\/td\u003e\n\u003ctd\u003e4.56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eNon-Rubicon JK only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Years\u003c\/td\u003e\n\u003ctd\u003e2007-2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNote\u003c\/td\u003e\n\u003ctd\u003e3.21 factory ratio requires new front carrier (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eYukon Gear limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRing and pinion set for Dana 30 front axle (4.56 ratio)\u003c\/li\u003e\n\u003cli\u003eRing and pinion set for Dana 44 rear axle (4.56 ratio)\u003c\/li\u003e\n\u003cli\u003eFront install kit (pinion bearing set, pinion seal, shim pack, crush sleeve)\u003c\/li\u003e\n\u003cli\u003eRear install kit (pinion bearing set, pinion seal, shim pack, crush sleeve)\u003c\/li\u003e\n\u003cli\u003eDifferential gaskets for front and rear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is YGK012?\u003c\/strong\u003e\u003cbr\u003e\nYGK012 is a complete gear and install kit package for regearing the Dana 30 front and Dana 44 rear axles of a non-Rubicon Jeep Wrangler JK to a 4.56 ratio. It includes ring and pinion gear sets for both axles plus all installation hardware.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill YGK012 fit a Rubicon JK?\u003c\/strong\u003e\u003cbr\u003e\nNo. YGK012 is designed for non-Rubicon JK Wranglers that have a Dana 30 front axle. Rubicon models use a Dana 44 front axle and require a different kit. See YGK015 or YGK016 for Rubicon fitment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need anything else for the re-gear if my JK currently has the 3.21 factory ratio?\u003c\/strong\u003e\u003cbr\u003e\nYes. If your JK originally came with the 3.21 gear ratio, the existing front carrier (open differential carrier) will not be compatible with the 4.56 ring gear. You will need to purchase a new front carrier separately before installing YGK012.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat tire size is 4.56 gearing best suited for?\u003c\/strong\u003e\u003cbr\u003e\nA 4.56 gear ratio is generally an excellent match for 35-inch tires on a JK, restoring throttle response and low-speed torque to near-stock feel. It also works well for moderate 33-inch builds where strong off-road performance is desired.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan YGK012 be installed at home or does it require a professional?\u003c\/strong\u003e\u003cbr\u003e\nRing and pinion installation requires precise backlash and bearing preload setup using shimming and a dial indicator. While an experienced DIYer with the proper tools can accomplish it, most owners have this work performed by a drivetrain specialist to ensure correct pattern and noise-free operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes installing YGK012 void my Jeep warranty?\u003c\/strong\u003e\u003cbr\u003e\nUnder the Magnuson-Moss Warranty Act, a manufacturer cannot void your vehicle warranty solely because you installed an aftermarket component such as YGK012. The manufacturer must demonstrate that the aftermarket part caused the specific claimed failure. Consult your dealer with any warranty-related questions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShould I re-gear the front and rear at the same time?\u003c\/strong\u003e\u003cbr\u003e\nYes, always. Mismatched gear ratios between front and rear axles cause drivetrain binding in 4WD and will damage the transfer case and differentials. YGK012 is sold as a front and rear kit specifically so both axles are converted together.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the warranty on YGK012?\u003c\/strong\u003e\u003cbr\u003e\nYukon Gear provides a limited warranty on YGK012 components covering defects in materials and workmanship. Contact Yukon Gear directly for warranty claim procedures.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eDrain both front and rear differential fluid and remove the differential covers. Clean the housings thoroughly.\u003c\/li\u003e\n\u003cli\u003eRemove the front driveshaft and rear driveshaft from the differentials.\u003c\/li\u003e\n\u003cli\u003eRemove the carrier assembly from each differential housing. Inspect carrier bearings for wear; replace if needed.\u003c\/li\u003e\n\u003cli\u003eIf the JK was originally equipped with the 3.21 ratio, replace the front carrier with a compatible 4.56 carrier before proceeding.\u003c\/li\u003e\n\u003cli\u003ePress the new ring gear onto the carrier for both front and rear, following Yukon Gear torque specifications for ring gear bolts.\u003c\/li\u003e\n\u003cli\u003eInstall the new pinion bearing sets onto the new pinion gears using a press. Do not reuse old pinion bearings.\u003c\/li\u003e\n\u003cli\u003eSet pinion depth using the provided shim pack and a dial indicator per the included instructions. This step is critical for correct gear mesh pattern.\u003c\/li\u003e\n\u003cli\u003eInstall the pinion into the housing with the new crush sleeve (included). Set pinion bearing preload per specifications using an inch-pound torque wrench.\u003c\/li\u003e\n\u003cli\u003eInstall the carrier assemblies and set ring and pinion backlash using the shim pack and a dial indicator. Target 0.005-0.009 inch backlash unless the included instructions specify otherwise.\u003c\/li\u003e\n\u003cli\u003eVerify the gear contact pattern using gear marking compound. Adjust shims until the pattern is centered on the drive and coast sides of the ring gear teeth.\u003c\/li\u003e\n\u003cli\u003eInstall new differential cover gaskets (included) and reinstall the differential covers. Torque cover bolts to specification.\u003c\/li\u003e\n\u003cli\u003eReconnect the front and rear driveshafts and fill both differentials with the appropriate gear oil. Check for leaks before driving.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eProposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":40481871429711,"sku":"YUKYGK012","price":680.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/yukon-gear-install-kit-package-for-jeep-jk-non-rubicon-in-a-4_56-ratio-differential-install-kits-yukon-gear-axle.jpg?v=1699974704","url":"https:\/\/www.blackopsautoworks.com\/products\/yukon-gear-install-kit-package-for-jeep-jk-non-rubicon-in-a-4-56-ratio","provider":"Black Ops Auto Works","version":"1.0","type":"link"}