{"product_id":"yukon-gear-high-performance-gear-set-for-dana-30-jk-short-reverse-pinion-4-56","title":"Yukon Gear High Performance Gear Set For Dana 30 JK Short Reverse Pinion \/ 4.56","description":"\u003ch4\u003eYukon Gear High Performance Ring and Pinion Gear Set for Dana 30 JK Short Reverse Pinion in a 4.56 Ratio\u003c\/h4\u003e\n\u003cp\u003eThe YG D30SR-456JK is a high-performance ring and pinion gear set built specifically for the Dana 30 JK short reverse pinion front differential found in the 2007 through 2018 Jeep Wrangler JK. The 4.56 ratio is one of the most popular re-gear choices for JK owners running 33-inch to 35-inch tires, providing an excellent balance of trail torque and fuel economy. YG D30SR-456JK is manufactured from 8620 case-hardened alloy steel with Yukon's REM isotropic superfinishing process, producing a plateau-smooth tooth surface that reduces gear noise, operating temperature, and wear compared to standard-finish ground gears. Each set is sold matched for guaranteed contact pattern and backlash performance.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures and Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for the Dana 30 JK short reverse pinion front differential (2007-2018 Wrangler JK)\u003c\/li\u003e\n  \u003cli\u003e4.56 gear ratio ideal for 33-inch to 35-inch tire applications\u003c\/li\u003e\n  \u003cli\u003e8620 case-hardened alloy steel construction for long-term durability\u003c\/li\u003e\n  \u003cli\u003eREM isotropic superfinish for reduced noise, heat, and wear\u003c\/li\u003e\n  \u003cli\u003eComputer-optimized tooth geometry ensures proper full-load contact\u003c\/li\u003e\n  \u003cli\u003eSold as a matched ring and pinion set\u003c\/li\u003e\n  \u003cli\u003eMust be paired with front and rear re-gear to matching ratio for 4WD compatibility\u003c\/li\u003e\n  \u003cli\u003eBacked by Yukon Gear manufacturer limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\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\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\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\u003eRubicon\u003c\/td\u003e\n\u003c\/tr\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\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\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\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\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\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\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\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\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\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\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\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\u003eSport\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\u003eSport\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\u003eSport\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\u003eSport\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\u003eSport\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\u003eSport\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\u003eSport\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\u003eSport\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\u003c\/td\u003e\n\u003ctd\u003eSport\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\u003eSport S\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\u003c\/td\u003e\n\u003ctd\u003eSport S\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eUnlimited Rubicon\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\u003eUnlimited Rubicon\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\u003eUnlimited Rubicon\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\u003eUnlimited Rubicon\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eUnlimited Sahara\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\u003eUnlimited Sahara\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\u003eUnlimited Sport\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\u003eUnlimited Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003ctd\u003eX\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\u003eX\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\u003eX\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\u003eX\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\u003e70th Anniversary\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\u003e75th Anniversary\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\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\u003eSport\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\u003eUnlimited Sahara\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\u003eUnlimited Sport\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\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eYG D30SR-456JK\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e883584104445\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDifferential\u003c\/td\u003e\n\u003ctd\u003eDana 30 JK Short Reverse Pinion (2007-2018 Wrangler JK)\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\u003eRing Gear Diameter\u003c\/td\u003e\n\u003ctd\u003e7.17 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePinion Splines\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e8620 case-hardened alloy steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eREM isotropic superfinish\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSold As\u003c\/td\u003e\n\u003ctd\u003eMatched ring and pinion set\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eYukon Gear manufacturer limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhat Is Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eOne ring gear (YG D30SR-456JK)\u003c\/li\u003e\n  \u003cli\u003eOne matched pinion gear\u003c\/li\u003e\n  \u003cli\u003eInstallation instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWill installing YG D30SR-456JK affect my factory warranty?\u003c\/strong\u003e\u003cbr\u003e\nThe Magnuson-Moss Warranty Act protects consumers from blanket warranty denials. Your dealer must prove the aftermarket part caused the specific failure before denying a warranty claim.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow is the JK reverse pinion Dana 30 different from the TJ Dana 30?\u003c\/strong\u003e\u003cbr\u003e\nThe JK front Dana 30 uses a reverse-cut pinion that positions the pinion above the ring gear centerline, which provides greater ground clearance for the front differential. YG D30SR-456JK is cut specifically for reverse rotation and cannot be used in TJ or XJ applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the best tire size to pair with 4.56 gearing in a JK?\u003c\/strong\u003e\u003cbr\u003e\nA 4.56 ratio is most commonly chosen for JK builds with 33-inch to 35-inch tires. It closely matches the drivetrain feel of a stock JK with factory tires while accommodating the larger wheel and tire combination.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need to re-gear the rear axle at the same time?\u003c\/strong\u003e\u003cbr\u003e\nYes. Both front and rear differentials must run the same ratio. The rear Dana 44 on JK Wranglers must be re-geared to 4.56 simultaneously with the front Dana 30 to avoid binding in 4WD.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between YG D30SR-456JK and YG D30SR-488JK?\u003c\/strong\u003e\u003cbr\u003e\nThe two gears differ only in ratio: YG D30SR-456JK produces 4.56 gearing while YG D30SR-488JK produces 4.88. The 4.88 ratio is preferred for 37-inch tire builds while 4.56 suits 33-inch to 35-inch tires.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs professional installation required for YG D30SR-456JK?\u003c\/strong\u003e\u003cbr\u003e\nYes. Ring and pinion installation requires specialized tools, experience, and dial indicator setup. Pinion depth, bearing preload, and backlash must all be dialed in precisely to prevent premature failure and gear noise.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat gear oil does the JK Dana 30 require after re-gearing?\u003c\/strong\u003e\u003cbr\u003e\nJeep specifies 75W-90 full synthetic gear oil meeting GL-5 specification. Change the fluid after the first 500 miles following installation to flush metal break-in particles from the housing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat warranty does YG D30SR-456JK carry?\u003c\/strong\u003e\u003cbr\u003e\nYukon Gear provides a manufacturer limited warranty against defects in materials and workmanship. The warranty requires professional installation and does not cover damage from improper setup.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003eRaise and support the vehicle safely. Drain the front differential oil completely.\u003c\/li\u003e\n  \u003cli\u003eRemove the front driveshaft and front axle shafts to allow full access.\u003c\/li\u003e\n  \u003cli\u003eRemove the differential cover and clean the housing mating surface.\u003c\/li\u003e\n  \u003cli\u003eMark and remove the carrier bearing caps. Record shim positions.\u003c\/li\u003e\n  \u003cli\u003eRemove the carrier and old ring gear from the housing.\u003c\/li\u003e\n  \u003cli\u003eRemove the pinion nut, companion flange, and extract the old pinion. Press off bearing races.\u003c\/li\u003e\n  \u003cli\u003eInstall new pinion bearing races from the master overhaul kit.\u003c\/li\u003e\n  \u003cli\u003eSet correct pinion depth with shims using a Dana 30 depth gauge.\u003c\/li\u003e\n  \u003cli\u003eInstall new inner pinion bearing on the YG D30SR-456JK pinion. Install with new crush sleeve.\u003c\/li\u003e\n  \u003cli\u003eSet pinion bearing preload by tightening the pinion nut incrementally until specification is met.\u003c\/li\u003e\n  \u003cli\u003ePress the YG D30SR-456JK ring gear onto the carrier. Torque ring gear bolts to Dana spec.\u003c\/li\u003e\n  \u003cli\u003eInstall carrier with new carrier bearings. Adjust backlash to 0.005 to 0.009 inch.\u003c\/li\u003e\n  \u003cli\u003eVerify gear contact pattern and adjust as required.\u003c\/li\u003e\n  \u003cli\u003eTorque bearing caps. Install cover with new sealant and torque to spec.\u003c\/li\u003e\n  \u003cli\u003eReinstall all components, fill with correct gear oil, and road-test. Check for leaks at 50 miles.\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":40481864056911,"sku":"YUKYG D30SR-456JK","price":369.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/yukon-gear-high-performance-gear-set-for-dana-30-jk-short-reverse-pinion-4_56-final-drive-gears-yukon-gear-axle-3.jpg?v=1699972176","url":"https:\/\/www.blackopsautoworks.com\/products\/yukon-gear-high-performance-gear-set-for-dana-30-jk-short-reverse-pinion-4-56","provider":"Black Ops Auto Works","version":"1.0","type":"link"}