{"product_id":"rock-krawler-2-5-inch-starter-system-jeep-wrangler-jlu-gas","title":"Rock Krawler 2.5 Inch Starter System - Jeep Wrangler JLU Gas","description":"\u003cp\u003eThe Rock Krawler 2.5 Starter system is the introduction to the Rock Krawler lineup for the 4-door Wrangler JLU (gas). Rock Krawler calls it the minimum geometry-correction kit for anyone adding taller lift springs: triple-rate coils, high-clearance front lower control arms and spring correction seats, nothing you do not need.\u003c\/p\u003e\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e(4) triple-rate coil springs\u003c\/li\u003e\n\u003cli\u003e(2) high-clearance front lower control arms (1.5 inch solid alloy steel) with Adventure Series joints\u003c\/li\u003e\n\u003cli\u003e(6) coil spring correction seats\u003c\/li\u003e\n\u003cli\u003eBolt-on rear track bar bracket in 1\/4 inch laser-cut steel (supplied depending on the shock package)\u003c\/li\u003e\n\u003cli\u003eBump stops (included with every shock option; sold separately if you buy the kit with no shocks)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy this system\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeometry correction, minus the bells:\u003c\/strong\u003e Rock Krawler calls it the minimum geometry-correction kit for anyone adding taller lift springs. The fixed high-clearance front lowers correct caster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-rate coils:\u003c\/strong\u003e Four coils tuned for the application. Rock Krawler says they ride better on the street than the factory linear-rate springs, and they carry enough free length to stay seated when the axle droops, as long as you run a proper length shock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil bow and lean correction:\u003c\/strong\u003e Six correction seats take out spring bow and help with vehicle lean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoom to flex:\u003c\/strong\u003e The coils have enough length to flex on the trail without unseating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgradeable to any other system:\u003c\/strong\u003e Rock Krawler lists the Starter as upgradeable to any of its other systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Rock Krawler lists lifetime warranty coverage on the kit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePick your package\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase System (No Shocks):\u003c\/strong\u003e The complete kit with no shocks. Bump stops are not included on this option (Rock Krawler sells them separately). Pick it if you already have shocks picked out. Whatever you run, it needs to be a proper length so the coil stays seated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBilstein 5100 Shocks:\u003c\/strong\u003e The kit plus a set of maintenance-free Bilstein 5100 shocks, which Rock Krawler describes as a good pairing with its multi-rate coils. Bump stops are included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 1 - RRD 2.25 IFP Shocks:\u003c\/strong\u003e The kit plus Rock Krawler's in-house RRD 2.25 inch IFP shocks. The body is hard-anodized aluminum with the cooling surface of a 2.5 inch shock, the shaft is 3\/4 inch 17-4 PH stainless, and the valving is billet aluminum with dual DU shaft bearings. They are serviceable, rebuildable and revalvable. Bump stops are included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment and what else you will need\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle:\u003c\/strong\u003e 2018 to present Jeep Wrangler JLU 4-door, 4WD. Rock Krawler lists the 2.0L turbo 4-cylinder, the 3.6L Pentastar V6 and the 3.6L Pentastar with eTorque, all 4WD gas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTires and wheels:\u003c\/strong\u003e Sport and Sahara, 37\/38 inch tires with 3.5 inch backspacing (37 inch on full OEM fenders, 38 inch on trimmed or high-lined fenders). Rubicon, 37 inch tires with 4.5 inch backspacing or 40 inch tires with 3.5 inch (37\/38 inch on full OEM fenders, 40 inch on trimmed or high-lined fenders). A 3 inch bump stop height is recommended for all of them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLift height basis:\u003c\/strong\u003e Rock Krawler measures lift on a Rubicon with a front bumper and winch, a rear bumper and a full-size spare. If you delete the spare, drop the rear coil lift height by 1 inch. If the rear is heavily built up (overland gear), raise it by 1 inch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriveshaft:\u003c\/strong\u003e Rock Krawler recommends a new front driveshaft if you off-road regularly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended add-on:\u003c\/strong\u003e Rock Krawler suggests adding its front adjustable track bar (RK06187HD) to the Starter kit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rock Krawler","offers":[{"title":"Base System (No Shocks)","offer_id":45517338804290,"sku":"JL25SS-4","price":1039.99,"currency_code":"USD","in_stock":true},{"title":"Bilstein 5100 Shocks","offer_id":45517338837058,"sku":"JL25SS-4B51","price":1681.99,"currency_code":"USD","in_stock":true},{"title":"Stage 1 - RRD 2.25 IFP Shocks","offer_id":45517338869826,"sku":"JL25SS-4S1","price":2293.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1476\/5984\/files\/JL25SS-2S1.thumb__78016.1749670767.webp?v=1791652906","url":"https:\/\/www.skinnypedalracing.com\/products\/rock-krawler-2-5-inch-starter-system-jeep-wrangler-jlu-gas","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}