{"product_id":"rk03101p-jeep-wrangler-jku-2-5in-rear-coil-springs","title":"Rock Krawler 07-18 Jeep Wrangler JKU 4DR 2.5in Lift Triple Rate Coil Springs - Rear","description":"\u003ch4\u003eTriple Rate Engineering for a Smooth Ride and Confident Trail Travel\u003c\/h4\u003e\n\u003cp\u003eThe RK03101P rear coil spring set gives the four door Jeep Wrangler JKU a 2.5 inch rear lift built around Rock Krawler's triple rate design. Three distinct spring rates work together to maximize usable suspension travel while resisting spring unseating at full droop. RK03101P is a direct bolt-in replacement for the factory rear coils, tuned to keep ride quality civil on pavement while adding real capability off road.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2.5 inch rear lift, tuned for four door JKU Rubicon-style builds\u003c\/li\u003e\n\u003cli\u003eTriple rate spring design for extended travel and reduced unseating at full droop\u003c\/li\u003e\n\u003cli\u003eImproved ground clearance and off-road ability\u003c\/li\u003e\n\u003cli\u003eExcellent on-road ride quality compared to single-rate aftermarket springs\u003c\/li\u003e\n\u003cli\u003eBlack powder coat finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSold as a pair, engineered specifically for the rear axle\u003c\/li\u003e\n\u003cli\u003eRK03101P pairs with the RK02659 rear coil correction wedges if not already installed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2018\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eRK03101P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocation\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLift Height\u003c\/td\u003e\n\u003ctd\u003e2.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Height\u003c\/td\u003e\n\u003ctd\u003e17.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Type\u003c\/td\u003e\n\u003ctd\u003eTriple rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 springs per pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack powder coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5-year warranty against fracture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e(2) RK03101P JKU rear coil springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Rock Krawler\u003c\/h4\u003e\n\u003cp\u003eRock Krawler has manufactured USA made Jeep suspension components for decades, developing triple rate coil technology proven in King of the Hammers competition. RK03101P brings that same triple rate coil engineering to JKU owners looking for a 2.5 inch rear lift.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-07-18-jeep-wrangler-jk-jku-high-clearance-adj-rear-lower-control-arms\"\u003eRock Krawler 07-18 Jeep Wrangler JK\/JKU High Clearance Adj. Rear Lower Control Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-07-18-jeep-wrangler-jk-jku-1-5-3-5in-lift-rear-adjustable-track-bar\"\u003eRock Krawler 07-18 Jeep Wrangler JK\/JKU 1.5-3.5in Lift Rear Adjustable Track Bar\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-07-18-jeep-wrangler-jk-jku-double-adjustable-rear-upper-control-arms\"\u003eRock Krawler 07-18 Jeep Wrangler JK\/JKU Double Adjustable Rear Upper Control Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the RK03101P?\u003c\/strong\u003e\u003cp\u003eThe RK03101P is a Rock Krawler triple rate rear coil spring set for the 2007-2018 Jeep Wrangler JKU that provides a 2.5 inch rear lift. It is sold as a pair and bolts into the factory rear coil location.\u003c\/p\u003e\n\u003cstrong\u003eWhat is the difference between RK03101P and RK02002P?\u003c\/strong\u003e\u003cp\u003eRK03101P provides a 2.5 inch rear lift while RK02002P provides a taller 3.5 inch rear lift. Both use the same triple rate coil design but differ in free length and spring rate progression.\u003c\/p\u003e\n\u003cstrong\u003eDoes RK03101P fit the two door JK Wrangler?\u003c\/strong\u003e\u003cp\u003eRK03101P is calibrated for the four door JKU. Two door JK Wranglers typically use a different lift height coil due to the shorter wheelbase and weight distribution.\u003c\/p\u003e\n\u003cstrong\u003eDo I need correction wedges with RK03101P?\u003c\/strong\u003e\u003cp\u003eIf your JKU does not already have rear coil correction wedges installed, Rock Krawler recommends adding part RK02659 alongside RK03101P for proper spring seating.\u003c\/p\u003e\n\u003cstrong\u003eWhat does triple rate mean for RK03101P?\u003c\/strong\u003e\u003cp\u003eTriple rate means RK03101P combines three distinct spring rate zones in one coil, giving a soft initial rate for ride comfort, a middle rate for handling, and a firm rate to resist bottoming out.\u003c\/p\u003e\n\u003cstrong\u003eWhat is the warranty on RK03101P?\u003c\/strong\u003e\u003cp\u003eRK03101P carries Rock Krawler's 5-year warranty against fracture when properly installed, with a receipt and installation photos kept on file.\u003c\/p\u003e\n\u003cstrong\u003eIs RK03101P made in the USA?\u003c\/strong\u003e\u003cp\u003eYes, RK03101P is manufactured in the USA as part of Rock Krawler's domestic coil spring production.\u003c\/p\u003e\n\u003cstrong\u003eWill RK03101P work with a spare tire delete?\u003c\/strong\u003e\u003cp\u003eRock Krawler recommends dropping about 1 inch in coil lift height when running a spare tire delete, so RK03101P may ride slightly taller than 2.5 inches in that configuration.\u003c\/p\u003e\n\u003cstrong\u003eCan RK03101P be installed without a spring compressor?\u003c\/strong\u003e\u003cp\u003eA spring compressor or shop press makes installation of RK03101P significantly safer and easier, though experienced installers can complete the swap with careful axle support alone.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003ePark the Wrangler on level ground, chock the front wheels, and raise the rear end on a jack and jack stands.\u003c\/li\u003e\n\u003cli\u003eRemove the rear wheels and support the rear axle with a floor jack to control its descent.\u003c\/li\u003e\n\u003cli\u003eDisconnect the rear sway bar end links and track bar to allow the axle to drop freely.\u003c\/li\u003e\n\u003cli\u003eLower the rear axle slowly and remove the factory or existing rear coil springs.\u003c\/li\u003e\n\u003cli\u003eInstall the RK03101P coil springs into the coil buckets, adding correction wedges if needed.\u003c\/li\u003e\n\u003cli\u003eRaise the axle back into position and reconnect the track bar and sway bar end links.\u003c\/li\u003e\n\u003cli\u003eReinstall the wheels and torque all suspension hardware to factory specifications.\u003c\/li\u003e\n\u003cli\u003eRecheck ride height and re-torque all fasteners after 100 miles of driving.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov\u003c\/p\u003e","brand":"Rock Krawler","offers":[{"title":"Default Title","offer_id":46246076317775,"sku":"RKRRK03101P","price":216.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rk03101p-2-5in-rear-coil-springs-2007-2018-wrangler-jku.webp?v=1785186932","url":"https:\/\/www.blackopsautoworks.com\/products\/rk03101p-jeep-wrangler-jku-2-5in-rear-coil-springs","provider":"Black Ops Auto Works","version":"1.0","type":"link"}