{"product_id":"rock-krawler-rk07987p-front-coil-springs-jlu-392","title":"Rock Krawler 2021+ Jeep Wrangler JLU 4DR 3.5in Front Coil (392) Springs Only","description":"\u003ch4\u003eDial In 3.5 Inches of Front Lift Without Sacrificing Ride Quality\u003c\/h4\u003e\n\u003cp\u003eThe RK07987P is Rock Krawler's triple rate front coil spring built specifically for the 392 Hemi V8 Jeep Wrangler JLU Rubicon. Sold as a pair of springs only, the RK07987P raises the front of the Jeep approximately 3.5 inches while keeping the on-road comfort that Rock Krawler's triple rate design is known for. This spring is engineered for the added weight and unique factory geometry of the 392 platform rather than being a generic JL coil.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTriple rate spring design blends multiple spring rates in one coil for better comfort and control\u003c\/li\u003e\n\u003cli\u003eRK07987P raises the front of the Rubicon 392 approximately 3.5 inches\u003c\/li\u003e\n\u003cli\u003eCoil height of 21.25 inches matches the 3.5 inch lift application\u003c\/li\u003e\n\u003cli\u003eBlack powder coat finish protects against corrosion and trail debris\u003c\/li\u003e\n\u003cli\u003eEngineered specifically for the heavier 392 Hemi V8 drivetrain and factory ride height\u003c\/li\u003e\n\u003cli\u003ePainless, drill-free installation into the factory front spring buckets\u003c\/li\u003e\n\u003cli\u003ePairs with Rock Krawler correction pads to reduce factory spring bow\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\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2025\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler JLU\u003c\/td\u003e\n\u003ctd\u003eRubicon 392\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\u003eRK07987P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRock Krawler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eFront\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\u003e21.25 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\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 manufacturer's defect warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2 x RK07987P Front Coil Springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Rock Krawler\u003c\/h4\u003e\n\u003cp\u003eRock Krawler Suspension has spent decades developing suspension systems for Jeep enthusiasts, refining spring rates and geometry through real trail testing. The RK07987P reflects that engineering focus, tuned specifically around the demands of the 392 Hemi V8 Wrangler platform.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-2018-jeep-wrangler-jl-2dr-jlu-4dr-front-upper-adventure-series-control-arms\"\u003eRock Krawler 2018+ Jeep Wrangler JL 2DR \/ JLU 4DR Front Upper Adventure Series Control Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rock-krawler-2018-jeep-wrangler-jl-2dr-jlu-4dr-front-adjustable-track-bar\"\u003eRock Krawler 2018+ Jeep Wrangler JL 2DR \/ JLU 4DR Front Adjustable Track Bar\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the RK07987P?\u003c\/strong\u003e\u003cp\u003eThe RK07987P is a Rock Krawler triple rate front coil spring designed for the 2021 and newer Jeep Wrangler JLU Rubicon 392. It provides approximately 3.5 inches of front lift and is sold as a pair of springs only.\u003c\/p\u003e\n\u003cstrong\u003eDoes the RK07987P fit the standard V6 Wrangler JLU?\u003c\/strong\u003e\u003cp\u003eNo, the RK07987P is engineered specifically for the 392 Hemi V8 Rubicon and its unique ride height and weight distribution, so it is not intended for the standard V6 JLU.\u003c\/p\u003e\n\u003cstrong\u003eHow much lift does the RK07987P provide?\u003c\/strong\u003e\u003cp\u003eThe RK07987P provides approximately 3.5 inches of front lift when installed on a Rubicon 392 in a standard build configuration.\u003c\/p\u003e\n\u003cstrong\u003eDoes the RK07987P come with shocks or control arms?\u003c\/strong\u003e\u003cp\u003eNo, the RK07987P is springs only. Shocks, control arms, and other suspension components are sold separately.\u003c\/p\u003e\n\u003cstrong\u003eWhat does triple rate spring mean?\u003c\/strong\u003e\u003cp\u003eA triple rate spring blends three different spring rates into a single coil, improving small bump comfort while still supporting heavier loads and off-road impacts.\u003c\/p\u003e\n\u003cstrong\u003eWill the RK07987P affect my Jeep's ride quality on the street?\u003c\/strong\u003e\u003cp\u003eThe triple rate design of the RK07987P is intended to preserve a comfortable street ride while still providing the extra travel and clearance needed off-road.\u003c\/p\u003e\n\u003cstrong\u003eDoes installing the RK07987P require any cutting or drilling?\u003c\/strong\u003e\u003cp\u003eNo, the RK07987P installs into the factory front spring buckets without cutting, drilling, or permanent modification.\u003c\/p\u003e\n\u003cstrong\u003eWhat warranty comes with the RK07987P coil springs?\u003c\/strong\u003e\u003cp\u003eThe RK07987P is covered by a 5 year warranty against manufacturer's defects, and coils must be uninstalled to be eligible for a defect return.\u003c\/p\u003e\n\u003cstrong\u003eCan the RK07987P be used with a full size spare and winch bumper?\u003c\/strong\u003e\u003cp\u003eYes, the stated lift height for the RK07987P assumes a standard build with a front bumper and winch and a rear bumper with full size spare.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRaise and safely support the front of the Jeep Wrangler JLU 392 on a lift or jack stands.\u003c\/li\u003e\n\u003cli\u003eRemove the front wheels and disconnect the sway bar links and any components blocking spring access.\u003c\/li\u003e\n\u003cli\u003eSupport the front axle with a jack and slowly lower it to relieve spring tension.\u003c\/li\u003e\n\u003cli\u003eRemove the factory front coil springs from the spring buckets.\u003c\/li\u003e\n\u003cli\u003eInstall Rock Krawler correction pads if included to minimize spring bow.\u003c\/li\u003e\n\u003cli\u003eSet the RK07987P coil spring into the factory spring bucket, ensuring proper seating.\u003c\/li\u003e\n\u003cli\u003eRaise the axle back into position and reconnect the sway bar links and any removed components.\u003c\/li\u003e\n\u003cli\u003eLower the Jeep, cycle the suspension, and check ride height before scheduling an alignment.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Rock Krawler","offers":[{"title":"Default Title","offer_id":46246083428431,"sku":"RKRRK07987P","price":291.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rock-krawler-rk07987p-front-coil-springs-1_d30fcf5e-df76-49f0-9b3f-198c10944a03.webp?v=1785185879","url":"https:\/\/www.blackopsautoworks.com\/products\/rock-krawler-rk07987p-front-coil-springs-jlu-392","provider":"Black Ops Auto Works","version":"1.0","type":"link"}