{"product_id":"rock-krawler-4-5-inch-silverback-no-limits-long-arm-system-gladiator-jt","title":"Rock Krawler 4.5 Inch Silverback No Limits Long Arm System - Gladiator JT","description":"\u003cp\u003eSilverback No Limits is the long-arm upgrade built around the Rubicon Gladiator. Up front sits a high clearance 4-link, out back a triangulated 4-link that deletes the rear track bar, and the \"No Limits\" front sway bar is made to work with the factory electronic disconnect. The system blends off-road clearance with daily-driver manners, which is the point of a Silverback.\u003c\/p\u003e\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 weld-on front long-arm mounting system\u003c\/li\u003e\n\u003cli\u003e1 Heat Shield Products Sticky Shield kit\u003c\/li\u003e\n\u003cli\u003e1 front adjustable anti-wobble track bar\u003c\/li\u003e\n\u003cli\u003e2 high clearance adjustable front lower control arms\u003c\/li\u003e\n\u003cli\u003e2 adjustable front upper control arms\u003c\/li\u003e\n\u003cli\u003e1 \"No Limits\" front sway bar\u003c\/li\u003e\n\u003cli\u003e2 triple-rate front coil springs\u003c\/li\u003e\n\u003cli\u003e2 quad-rate rear coil springs\u003c\/li\u003e\n\u003cli\u003e4 JT coil spring correction seats\u003c\/li\u003e\n\u003cli\u003e2 weld-on rear frame side long-arm mounts\u003c\/li\u003e\n\u003cli\u003e2 rear high clearance adjustable lower control arms\u003c\/li\u003e\n\u003cli\u003e2 rear adjustable upper control arms\u003c\/li\u003e\n\u003cli\u003e2 rear spring pads\u003c\/li\u003e\n\u003cli\u003e2 adjustable rear sway bar links\u003c\/li\u003e\n\u003cli\u003e1 rear bolt-on Pro-X cradle (welding optional)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eShocks depend on the package you pick. Bump stops come with every shock option. Coilover packages add the shock towers and brackets they need.\u003c\/p\u003e\u003ch3\u003eWhy this system\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\"No Limits\" front sway bar with CNC-machined billet aluminum centers and Made in USA FK heims, built for the Rubicon's electronic disconnect\u003c\/li\u003e\n\u003cli\u003eHigh clearance 4-link front and triangulated 4-link rear: maximum articulation without the bind of a rear track bar\u003c\/li\u003e\n\u003cli\u003eService-free long arms with Adventure Series joints\u003c\/li\u003e\n\u003cli\u003eTriple-rate front and quad-rate rear coils, JT coil correction seats\u003c\/li\u003e\n\u003cli\u003eHeat Shield Products Sticky Shield kit and weld-on front long-arm mounting system\u003c\/li\u003e\n\u003cli\u003eBolt-on Pro-X rear cradle, welding optional (recommended for 37 inch tires and above)\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 arms, coils and hardware with no shocks, for builds where the shocks are already sorted. Bump stops come with every shock package; if you skip shocks entirely, Rock Krawler sells the bump stops separately as RK07464.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBilstein 5100 Shocks:\u003c\/strong\u003e a maintenance-free shock package that Rock Krawler calls a great pairing with its multi-rate coil springs. Bump stops included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 1 (RRD 2.25 IFP Shocks):\u003c\/strong\u003e Rock Krawler's RRD 2.25 inch IFP shocks, designed and built in house. Hard anodized fluted aluminum body with the cooling surface of a 2.5 inch shock, 3\/4 inch 17-4 PH stainless hard chrome shaft, billet valve circuit, dual DU shaft bearings and double redundant sealing. Serviceable, rebuildable and revalveable. Bump stops included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComp System Stage 1:\u003c\/strong\u003e coilovers up front, coil springs in the rear. 2.625 inch RRD racing coilovers with remote reservoirs up front (13 inches of travel, 14.44 inches of front axle travel per Rock Krawler) and matching 2.625 inch RRD remote reservoir shocks in the rear (12 inches of travel, 15 inches of rear axle travel). Rock Krawler pitches it at people who still carry small loads or tow a small trailer. Rear quad-rate coils and spring correction seats come with it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComp System Stage 2 (Fast CD):\u003c\/strong\u003e the Comp System with Fast CD (compression damping) adjusters on the front coilovers and rear shocks. Fast CD lets you add up to 30% more compression damping with infinite settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrail Runner Stage 1:\u003c\/strong\u003e coilovers at all four corners, built on 2.625 inch RRD remote reservoir coilovers. Rock Krawler says it maximizes off-road ability and still comes well tuned for the street, but rear coilovers handle changes in load less well, so towing or hauling a lot of weight in the bed is not ideal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrail Runner Stage 2 (Fast CD):\u003c\/strong\u003e Trail Runner with Fast CD adjusters on the coilovers for added tuneability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment and what else you'll need\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFits the 2020+ Jeep Gladiator JT, 4 door, 4WD, Rubicon trim level. Engine: 3.6L Pentastar V6 (gas models)\u003c\/li\u003e\n\u003cli\u003eRock Krawler wheel guidance: 4.5 inches of backspacing with 37 inch tall tires, 3.5 inches with 40 inch tall tires\u003c\/li\u003e\n\u003cli\u003eTire guidance on a Rubicon (3 inch bump stop height recommended): 37\/38 inch tall with full OEM fenders, 40 inch tall with trimmed or high-lined fenders\u003c\/li\u003e\n\u003cli\u003eLift height is figured on a Rubicon with a standard build (front bumper and winch, rear bumper, full size spare). Delete the spare and Rock Krawler suggests dropping 1 inch in rear coil lift height; load up the rear overland-style and they suggest going up 1 inch\u003c\/li\u003e\n\u003cli\u003eRock Krawler recommends a new front driveshaft if you plan to off-road routinely (they name Adam's Driveshaft, Tom Woods and J.E. Reel)\u003c\/li\u003e\n\u003cli\u003eWelding the rear cradle is recommended for 37 inch tires and larger\u003c\/li\u003e\n\u003cli\u003eLong arm install requires welding of the front long arm mounting system; removal of the OEM frame side lower front control arm mounts; removal of the OEM frame side front upper control arm mounts; removal of the OEM axle side track bar mount\u003c\/li\u003e\n\u003cli\u003eCoilover packages (Comp System and Trail Runner) require removal of the OEM frame shock mount and the OEM shock and spring mount on the axle, plus welding of the new coilover mount to the axle only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRock Krawler's posted lead time when we listed this kit: 3-4 weeks for long arm kits, counted in business days from order. Coilover packages are posted at 3-4 weeks.\u003c\/p\u003e\u003cp\u003eRock Krawler lists lifetime warranty coverage on its Gladiator JT systems. The RRD shocks carry their own 6-month warranty against defects in materials and workmanship.\u003c\/p\u003e","brand":"Rock Krawler","offers":[{"title":"Base System (No Shocks)","offer_id":45517435600962,"sku":"JT45SB2NL","price":4639.99,"currency_code":"USD","in_stock":true},{"title":"Bilstein 5100 Shocks","offer_id":45517435633730,"sku":"JT45SB2NL-B51","price":5241.99,"currency_code":"USD","in_stock":true},{"title":"Stage 1 (RRD 2.25 IFP Shocks)","offer_id":45517435666498,"sku":"JT45SB2NL-S1","price":5808.99,"currency_code":"USD","in_stock":true},{"title":"Comp System Stage 1","offer_id":45517435699266,"sku":"JT45SB2NL-CS","price":8515.99,"currency_code":"USD","in_stock":true},{"title":"Comp System Stage 2 (Fast CD)","offer_id":45517435732034,"sku":"JT45SB2NL-CSS2","price":9375.99,"currency_code":"USD","in_stock":true},{"title":"Trail Runner Stage 1","offer_id":45517435764802,"sku":"JT45SB2NL-TR","price":9369.99,"currency_code":"USD","in_stock":true},{"title":"Trail Runner Stage 2 (Fast CD)","offer_id":45517435797570,"sku":"JT45SB2NL-TRS2","price":10134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1476\/5984\/files\/JT45SB2NL-S1.THUMB__05862.1747066380.jpg?v=1791653611","url":"https:\/\/www.skinnypedalracing.com\/products\/rock-krawler-4-5-inch-silverback-no-limits-long-arm-system-gladiator-jt","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}