{"product_id":"rock-krawler-4-5-inch-x-factor-mid-arm-lift-kit-jeep-wrangler-jlu","title":"Rock Krawler 4.5 Inch X-Factor Mid-Arm Lift Kit - Jeep Wrangler JLU","description":"\u003cp\u003eThe X-Factor mid-arm system is Rock Krawler's Sport and Sahara lift for the Wrangler JLU (4-door), and it is a complete bolt-in 4.5 inch kit. The arms are what set it apart: adjustable high clearance uppers and lowers that give a total of 95 degrees of misalignment, built with maintenance-free Adventure Series joints at the frame and Pro Krawler joints at the axle.\u003c\/p\u003e\u003cp\u003eYou get a lot of articulation for a mid-arm, a ride Rock Krawler describes as better than the factory linear-rate springs, and a clear path to a long arm system later if you decide you want more.\u003c\/p\u003e\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\u003cp\u003eThe base kit, as Rock Krawler lists it:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e(2) front and (2) rear high clearance adjustable lower control arms\u003c\/li\u003e\n\u003cli\u003e(2) front and (2) rear high clearance adjustable upper control arms\u003c\/li\u003e\n\u003cli\u003e(4) triple-rate coil springs and (2) front, (2) rear spring pads\u003c\/li\u003e\n\u003cli\u003e(1) adjustable front track bar and (1) rear adjustable track bar\u003c\/li\u003e\n\u003cli\u003e(2) Gen-II sway bar links\u003c\/li\u003e\n\u003cli\u003e(2) adjustable rear sway bar links\u003c\/li\u003e\n\u003cli\u003e(1) bolt-on rear track bar relocation bracket\u003c\/li\u003e\n\u003cli\u003eBump stops with every shock option (not included with the base system)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe coilover packages (Comp) swap in front shock towers and brackets, and keep two rear triple-rate coil springs with rear spring correction seats.\u003c\/p\u003e\u003ch3\u003eWhy this system\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e95 degrees of misalignment.\u003c\/strong\u003e X-Factor series arms keep the factory JL control arm bind in check.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro Krawler joints at the axle, Adventure Series at the frame.\u003c\/strong\u003e The frame joints are maintenance free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll eight arms adjustable.\u003c\/strong\u003e Dial in caster and pinion angle front and rear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-rate coils.\u003c\/strong\u003e All four coils work together for on-road comfort and still have the free length for off-road articulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrection built in.\u003c\/strong\u003e Spring pads reduce factory spring bow, and front and rear track bar geometry corrections center the axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGen-II sway bar links.\u003c\/strong\u003e Included in the box, along with adjustable rear links.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgradable.\u003c\/strong\u003e Rock Krawler lists the kit as upgradable to its long arm system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePick your package\u003c\/h3\u003e\u003cp\u003eThe Package option sets the shocks. The Configuration option matches the kit to your drivetrain.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase System (No Shocks).\u003c\/strong\u003e Kit only, for buyers who already have shocks picked out. Bump stops ship with every shock option; with no shocks they are sold separately (Rock Krawler lists them as RK07124). Generic shock lengths for the gas, diesel and 4xe kits: front 18.31 inches collapsed and 30.31 extended, rear 19 collapsed and 31 extended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBilstein 5100 Shocks.\u003c\/strong\u003e Maintenance-free shocks that Rock Krawler calls a great pairing with its multi-rate coil springs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 1 Shocks (RRD 2.25 IFP).\u003c\/strong\u003e Rock Krawler's in-house shocks: a 2.25 inch hard anodized fluted aluminum body with the cooling surface area of a 2.5 inch shock, a 3\/4 inch hard chrome stainless shaft and dual DU shaft bearings. Serviceable, rebuildable and revalveable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComp Coilover Stage 1 and Stage 2.\u003c\/strong\u003e The Comp System runs 2 5\/8 inch RRD racing coilovers with remote reservoirs up front and matching 2 5\/8 inch RRD shocks with remote reservoirs in the rear, with coil springs still holding up the back, so it can still carry small loads or tow a small trailer. Stage 2 adds Fast CD (compression damping) adjusters. Rock Krawler lists 14.4 inches of front axle travel and 13.9 inches of rear axle travel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment and what else you'll need\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFits 2018 and newer Jeep Wrangler JLU 4-door models, Sport and Sahara (non-Rubicon). Choose the Configuration that matches your Jeep: gas, diesel, 4xe.\u003c\/li\u003e\n\u003cli\u003eRock Krawler's tire guidance for Sport and Sahara models: 37 inch tires with full OEM fenders, or 38 inch tires with trimmed or high-lined fenders, at a 3 inch bump stop height with 3.5 inches of backspacing.\u003c\/li\u003e\n\u003cli\u003eLift heights are based on a standard Rubicon build (front bumper and winch, rear bumper and full-size spare). Rock Krawler suggests dropping 1 inch of rear coil lift if you delete the spare, and going up 1 inch if you load the back for an overland-style build.\u003c\/li\u003e\n\u003cli\u003eA new front driveshaft is recommended if you wheel the Jeep routinely, and Rock Krawler recommends welding the rear cradle with 37 inch tires or larger.\u003c\/li\u003e\n\u003cli\u003eThe coilover packages need fabrication: the listing calls for removing the factory shock mount on the frame and the shock and spring mount on the axle, and welding the new coilover mount to the axle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRock Krawler lists lifetime warranty coverage on the system itself, and its RRD shocks carry a separate 6 month warranty against defects in materials and workmanship.\u003c\/p\u003e","brand":"Rock Krawler","offers":[{"title":"Base System (No Shocks) \/ Gas","offer_id":45517402538050,"sku":"JL45XF-4","price":3007.99,"currency_code":"USD","in_stock":true},{"title":"Base System (No Shocks) \/ Diesel","offer_id":45517402570818,"sku":"JL45XF-4D","price":3080.99,"currency_code":"USD","in_stock":true},{"title":"Base System (No Shocks) \/ 4xe","offer_id":45517402603586,"sku":"JL45XF-4XE","price":3080.99,"currency_code":"USD","in_stock":true},{"title":"Bilstein 5100 Shocks \/ Gas","offer_id":45517402636354,"sku":"JL45XF-4B51","price":3751.99,"currency_code":"USD","in_stock":true},{"title":"Bilstein 5100 Shocks \/ Diesel","offer_id":45517402669122,"sku":"JL45XF-4DB51","price":3827.99,"currency_code":"USD","in_stock":true},{"title":"Bilstein 5100 Shocks \/ 4xe","offer_id":45517402701890,"sku":"JL45XF-4XEB51","price":3827.99,"currency_code":"USD","in_stock":true},{"title":"Stage 1 Shocks (RRD 2.25 IFP) \/ Gas","offer_id":45517402734658,"sku":"JL45XF-4S1","price":4363.99,"currency_code":"USD","in_stock":true},{"title":"Stage 1 Shocks (RRD 2.25 IFP) \/ Diesel","offer_id":45517402767426,"sku":"JL45XF-4DS1","price":4423.99,"currency_code":"USD","in_stock":true},{"title":"Stage 1 Shocks (RRD 2.25 IFP) \/ 4xe","offer_id":45517402800194,"sku":"JL45XF-4XES1","price":4423.99,"currency_code":"USD","in_stock":true},{"title":"Comp Coilover Stage 1 \/ Gas","offer_id":45517402832962,"sku":"JL45XF-4CS","price":7119.99,"currency_code":"USD","in_stock":true},{"title":"Comp Coilover Stage 1 \/ Diesel","offer_id":45517402865730,"sku":"JL45XF-4DCS","price":7147.99,"currency_code":"USD","in_stock":true},{"title":"Comp Coilover Stage 1 \/ 4xe","offer_id":45517402898498,"sku":"JL45XF-4XECS","price":7147.99,"currency_code":"USD","in_stock":true},{"title":"Comp Coilover Stage 2 (Fast CD) \/ Gas","offer_id":45517402931266,"sku":"JL45XF-4CS2","price":7978.99,"currency_code":"USD","in_stock":true},{"title":"Comp Coilover Stage 2 (Fast CD) \/ Diesel","offer_id":45517402964034,"sku":"JL45XF-4DCS2","price":8007.99,"currency_code":"USD","in_stock":true},{"title":"Comp Coilover Stage 2 (Fast CD) \/ 4xe","offer_id":45517402996802,"sku":"JL45XF-4XECS2","price":8007.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1476\/5984\/files\/JL45XF-S1.THUMB__11318.1749675053.webp?v=1791653386","url":"https:\/\/www.skinnypedalracing.com\/products\/rock-krawler-4-5-inch-x-factor-mid-arm-lift-kit-jeep-wrangler-jlu","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}