{"product_id":"rk02002p-jeep-wrangler-jku-3-5in-rear-coil-springs","title":"Rock Krawler 07-18 Jeep Wrangler JKU 4DR 3.5in Lift Triple Rate Coil Springs - Rear","description":"\u003ch4\u003eA Taller Triple Rate Rear Lift Built for Bigger Tires and Heavier Builds\u003c\/h4\u003e\n\u003cp\u003eThe RK02002P rear coil spring set gives the four door Jeep Wrangler JKU a 3.5 inch rear lift using Rock Krawler's triple rate coil design. Three progressive spring rates work together to maximize suspension travel and resist unseating at full droop, while still delivering a controlled ride on the street. RK02002P is a direct bolt-in replacement for the factory rear coils and is a popular choice for JKU builds running larger tires and rear bumpers.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e3.5 inch rear lift, suited to four door JKU builds with larger tires and rear armor\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\u003eRK02002P 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\u003eRK02002P\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\u003e3.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Height\u003c\/td\u003e\n\u003ctd\u003e18.5 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) RK02002P 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. RK02002P applies that same triple rate coil engineering to JKU owners who want a taller 3.5 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 RK02002P?\u003c\/strong\u003e\u003cp\u003eThe RK02002P is a Rock Krawler triple rate rear coil spring set for the 2007-2018 Jeep Wrangler JKU that provides a 3.5 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 RK02002P and RK03101P?\u003c\/strong\u003e\u003cp\u003eRK02002P provides a taller 3.5 inch rear lift while RK03101P provides a 2.5 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 RK02002P fit the two door JK Wrangler?\u003c\/strong\u003e\u003cp\u003eRK02002P is calibrated for the four door JKU. Two door JK Wranglers running a comparable ride height typically use a different part number due to the shorter wheelbase and weight distribution.\u003c\/p\u003e\n\u003cstrong\u003eDo I need correction wedges with RK02002P?\u003c\/strong\u003e\u003cp\u003eIf your JKU does not already have rear coil correction wedges installed, Rock Krawler recommends adding part RK02659 alongside RK02002P for proper spring seating.\u003c\/p\u003e\n\u003cstrong\u003eWhat does triple rate mean for RK02002P?\u003c\/strong\u003e\u003cp\u003eTriple rate means RK02002P 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 RK02002P?\u003c\/strong\u003e\u003cp\u003eRK02002P 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 RK02002P made in the USA?\u003c\/strong\u003e\u003cp\u003eYes, RK02002P is manufactured in the USA as part of Rock Krawler's domestic coil spring production.\u003c\/p\u003e\n\u003cstrong\u003eIs RK02002P a good match for larger tires?\u003c\/strong\u003e\u003cp\u003eYes, the 3.5 inch lift of RK02002P is commonly paired with 35 to 37 inch tire setups on JKU builds that need the extra clearance.\u003c\/p\u003e\n\u003cstrong\u003eCan RK02002P be installed without a spring compressor?\u003c\/strong\u003e\u003cp\u003eA spring compressor or shop press makes installation of RK02002P 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 RK02002P 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":46246075400271,"sku":"RKRRK02002P","price":216.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rk02002p-3-5in-rear-coil-springs-2007-2018-wrangler-jku.webp?v=1785186749","url":"https:\/\/www.blackopsautoworks.com\/products\/rk02002p-jeep-wrangler-jku-3-5in-rear-coil-springs","provider":"Black Ops Auto Works","version":"1.0","type":"link"}