{"product_id":"aev-4-dualsport-suspension-kit-diesel-rt5100-jeep-wrangler-jl-4-door-2020-2023","title":"AEV 4\" DualSport Suspension Kit | Diesel, RT5100 | Jeep Wrangler JL 4-Door (2020-2023) | P\/N N0742000AA","description":"\u003cp\u003eThe AEV 4\" DualSport RT Suspension System for the JL Wrangler Unlimited is engineered to deliver maximum off-road capability without compromising on-road stability, steering precision, or overall vehicle control. As a fully integrated system, it accommodates up to 39\" tires when equipped with AEV Heavy Duty Adjustable Lower Control Arms, all while preserving proper geometry, balanced ride quality, and predictable handling characteristics Unlike conventional lift kits that prioritize height over performance, the DualSport RT system focuses on optimized wheel travel, corrected steering geometry, and system-wide integration, resulting in a suspension system that performs cohesively in all driving conditions As with all of AEV's expedition-ready suspension systems, the 4\" DualSport RT Suspension System for the Jeep Wrangler JL is FMVSS No. 126 is a rigorous standard set by the National Highway Traffic Safety Administration (NHTSA) that tests new electronic stability control (ESC) systems by subjecting it to various maneuvers designed to evaluate its effectiveness in preventing loss of control and skidding, including evasive lane-changing maneuvers at highways speeds\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTechnical SpecsMaximum wheel backspacing.37x12.5 tires: 5.2\" or less.39x13.5 tires: 4.9\" or lessMax tire size w\/ factory flares 39x13.5\" on AEV 17\"x8.5\" 0mm offset Borah or Blacktail and requires use of AEV Heavy Duty lower control arms for full tire clearance\/travel during steering and articulation\u003c\/li\u003e\n\u003cli\u003eLarger tires, such as the common 40x13.5 will require modifications to factory fender flares, wheel liners, potentially bumpers, etc\u003c\/li\u003e\n\u003cli\u003eDesigned for a true 4\" lift on a \"typically equipped\" offroad-capable Wrangler\u003c\/li\u003e\n\u003cli\u003eThis includes heavy duty steel bumpers, winch, tire carrier with full-size spare, and typical gear and carg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eImportant Notes\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eImportant Fitment NotesThis suspension system requires wide-track axles, which are standard on Rubicon, Moab, and several other JL Wrangler trims\u003c\/li\u003e\n\u003cli\u003eMaximum wheel backspacing is 5.2\" or less for 37x12.50 tires and 4.9\" or less for 39x13.50 tires\u003c\/li\u003e\n\u003cli\u003eTo accommodate 39\" tires, sufficient clearance at full steering lock is required between the tire and the front lower control arm\u003c\/li\u003e\n\u003cli\u003eFactory JL front lower control arms may limit tire clearance in this configuration\u003c\/li\u003e\n\u003cli\u003eAEV Heavy Duty Adjustable Lower Control Arms, or equivalent aftermarket front lower control arms with a high-clearance bend profile, are required to achieve proper 39\" tire fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eKit Contents\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConbox, JL 4\" Suspension, LHD gas engine\u003c\/li\u003e\n\u003cli\u003eShock Kit, JL 4\", RT5100\u003c\/li\u003e\n\u003cli\u003eJL, Stamped Geometry Bracket Kit\u003c\/li\u003e\n\u003cli\u003eJT Gas\/JL Diesel 4xe 392 4-dr. Front +4.0'' Lift Standard Load\u003c\/li\u003e\n\u003cli\u003eJL 4-dr. Rear +4.0'' Lift Standard Load, Diesel\u003c\/li\u003e\n\u003cli\u003eMount Kit, JL \/ JT High Steer\u003c\/li\u003e\n\u003cli\u003eJL \/ JT High Steer Tie Rod\u003c\/li\u003e\n\u003cli\u003eSteering Damper, JL\/JT\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cul\u003e\u003cli\u003eJeep Wrangler JL 4-Door 2020-2023 (Diesel)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003ePart Numbers\u003c\/h4\u003e\u003cul\u003e\u003cli\u003eMPN N0742000AA · UPC 810092174233\u003c\/li\u003e\u003c\/ul\u003e","brand":"AEV","offers":[{"title":"Default Title","offer_id":68166474694972,"sku":"N0742000AA","price":4820.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0136\/3004\/files\/JL_20_2B4.0in_20Suspension_20PA1.1_20_28Web_29-X2_89ba98d8-22cd-417b-a1f7-7115104baefa.jpg?v=1794592734","url":"https:\/\/highliftoffroad.com\/products\/aev-4-dualsport-suspension-kit-diesel-rt5100-jeep-wrangler-jl-4-door-2020-2023","provider":"HighLift Off-Road","version":"1.0","type":"link"}