{"product_id":"rock-krawler-4-5-inch-silverback-long-arm-system-gladiator-jt","title":"Rock Krawler 4.5 Inch Silverback Long Arm System - Gladiator JT","description":"\u003cp\u003eSilverback is a long-arm system for Gladiator owners who drive their truck every day and still want it to crawl. A high clearance 4-link front is paired with a triangulated 4-link rear that does away with the rear track bar, and the whole thing runs on service-free Adventure Series joints. This 4.5 inch version fits Sport, Overland and Mojave Gladiators.\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 Gen II 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 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\u003eHigh clearance 4-link front suspension with a triangulated 4-link rear for maximum articulation and control\u003c\/li\u003e\n\u003cli\u003eNo rear track bar: rear triangulation centers the axle and smooths out highway handling\u003c\/li\u003e\n\u003cli\u003eFully service-free long arms with Adventure Series joints: no grease, no noise\u003c\/li\u003e\n\u003cli\u003eTriple-rate front and quad-rate rear coils with JT coil spring correction seats\u003c\/li\u003e\n\u003cli\u003eWeld-on front long-arm mounting system and a Heat Shield Products Sticky Shield kit\u003c\/li\u003e\n\u003cli\u003eBolt-on Pro-X rear cradle, with welding optional\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 everything except shocks. Handy if you already own a shock package you like. Bump stops are included with the shock options only and can be bought on their own as RK07464.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBilstein 5100 Shocks:\u003c\/strong\u003e Bilstein 5100 shocks, maintenance free and matched by Rock Krawler to its multi-rate springs. Bump stops are in the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 1 (RRD 2.25 IFP Shocks):\u003c\/strong\u003e RRD 2.25 inch IFP shocks from Rock Krawler, built in house with a fluted hard anodized aluminum body that cools like a 2.5 inch shock, a 3\/4 inch 17-4 PH stainless hard chrome shaft, billet valve components and dual DU bearings. Serviceable, rebuildable, revalveable. Bump stops included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComp System Stage 1:\u003c\/strong\u003e a front coilover and rear coil spring combination. You get 2.625 inch RRD remote reservoir coilovers (13 inches of travel, 14.44 inches of front axle travel) and matching 2.625 inch RRD remote reservoir rear shocks (12 inches of travel, 15 inches of rear axle travel), along with quad-rate rear coils and spring correction seats. Rock Krawler positions it for trucks that still tow small trailers or carry small loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComp System Stage 2 (Fast CD):\u003c\/strong\u003e Comp System hardware with Fast CD (compression damping) adjusters up front and in the rear, good for up to 30% more compression damping with infinite settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrail Runner Stage 1:\u003c\/strong\u003e four coilovers, 2.625 inch RRD remote reservoir units. It gives the Gladiator the most off-road ability Rock Krawler offers in this system and is tuned for the street, though Rock Krawler cautions against towing or loading the bed heavily with rear coilovers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrail Runner Stage 2 (Fast CD):\u003c\/strong\u003e Trail Runner plus Fast CD adjusters on the coilovers, so you can tune compression damping.\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, Sport, Overland and Mojave trim levels. Engine: 3.6L Pentastar V6 (gas models)\u003c\/li\u003e\n\u003cli\u003eRock Krawler wheel guidance: Sport and Overland, 3.5 inches of backspacing with 37\/38 inch tires; Mojave, 4.5 inches with 37 inch tires or 3.5 inches with 40 inch tires\u003c\/li\u003e\n\u003cli\u003eTire guidance (3 inch bump stop height recommended): Sport and Overland, 37 inch tall with full OEM fenders or 38 inch with trimmed or high-lined fenders; Mojave, 37\/38 inch tall with full fenders or 40 inch 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":45517434716226,"sku":"JT45SB2","price":4519.99,"currency_code":"USD","in_stock":true},{"title":"Bilstein 5100 Shocks","offer_id":45517434748994,"sku":"JT45SB2-B51","price":5121.99,"currency_code":"USD","in_stock":true},{"title":"Stage 1 (RRD 2.25 IFP Shocks)","offer_id":45517434781762,"sku":"JT45SB2-S1","price":5689.99,"currency_code":"USD","in_stock":true},{"title":"Comp System Stage 1","offer_id":45517434814530,"sku":"JT45SB2-CS","price":8515.99,"currency_code":"USD","in_stock":true},{"title":"Comp System Stage 2 (Fast CD)","offer_id":45517434847298,"sku":"JT45SB2-CSS2","price":9375.99,"currency_code":"USD","in_stock":true},{"title":"Trail Runner Stage 1","offer_id":45517434880066,"sku":"JT45SB2-TR","price":9356.99,"currency_code":"USD","in_stock":true},{"title":"Trail Runner Stage 2 (Fast CD)","offer_id":45517434912834,"sku":"JT45SB2-TRS2","price":10121.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1476\/5984\/files\/JT45SB2-S1.THUMB__08900.1747065128.jpg?v=1791653608","url":"https:\/\/www.skinnypedalracing.com\/products\/rock-krawler-4-5-inch-silverback-long-arm-system-gladiator-jt","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}