{"product_id":"icon-stage-4-suspension-system-with-billet-uca-remote-reservoir-shocks-2003-2009-4runner-2007-2009-fj-cruiser-k53054","title":"ICON Stage 4 Suspension System with Billet UCA \u0026 Remote Reservoir Shocks – 2003-2009 4Runner \u0026 2007-2009 FJ Cruiser | K53054","description":"\u003cp\u003eTake your Toyota's suspension performance to the next level with the \u003cstrong\u003eICON Vehicle Dynamics Stage 4 Suspension System, part #K53054\u003c\/strong\u003e, designed specifically for the \u003cstrong\u003e2003-2009 Toyota 4Runner and 2007-2009 Toyota FJ Cruiser\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe ICON Stage 4 system combines \u003cstrong\u003eExtended Travel 2.5 Series front coilovers\u003c\/strong\u003e, \u003cstrong\u003ebillet aluminum upper control arms with ICON Delta Joint\u003c\/strong\u003e, \u003cstrong\u003e2-inch rear lift coil springs\u003c\/strong\u003e, \u003cstrong\u003ebillet aluminum rear lower links\u003c\/strong\u003e, and high-performance \u003cstrong\u003e2.5 Aluminum Series Remote Reservoir rear shocks with Bump Zone technology\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCompared with the ICON Stage 3 system, Stage 4 makes a major rear shock upgrade. The 2.0 rear shocks used in Stage 3 are replaced by larger \u003cstrong\u003e2.5 Series Remote Reservoir shocks\u003c\/strong\u003e, providing increased oil volume, improved heat dissipation and greater resistance to shock fade during extended off-road use.\u003c\/p\u003e\n\u003cp\u003eThe rear shocks also incorporate ICON's \u003cstrong\u003eBump Zone technology\u003c\/strong\u003e, which significantly increases damping during the final 2 inches of compression travel to help reduce harsh bottom-out events over demanding terrain.\u003c\/p\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eToyota 4Runner\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2003\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2004\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2005\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2006\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2007\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2008\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2009\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota FJ Cruiser\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2007\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2008\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2009\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e ICON lists the complete K53054 Stage 4 system specifically for \u003cstrong\u003e2003-2009 Toyota 4Runner and 2007-2009 Toyota FJ Cruiser\u003c\/strong\u003e applications.\u003c\/p\u003e\n\u003cp\u003eIndividual components included in K53054 may fit additional Toyota and Lexus applications, but that does not extend the fitment of the complete K53054 suspension system.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eComplete ICON \u003cstrong\u003eStage 4 Suspension System\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFits \u003cstrong\u003e2003-2009 Toyota 4Runner\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFits \u003cstrong\u003e2007-2009 Toyota FJ Cruiser\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable \u003cstrong\u003e0-3.5\" front lift\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003eExtended Travel 2.5 Series front coilovers\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased front droop and wheel travel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003ebillet aluminum upper control arms\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON patented \u003cstrong\u003eDelta Joint\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003ebillet aluminum rear lower links\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRear lower links provide \u003cstrong\u003eon-vehicle pinion angle adjustment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2\" rear lift coil springs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003e2.5 Aluminum Series Remote Reservoir rear shocks\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRear shocks feature \u003cstrong\u003eICON Bump Zone technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemote reservoirs increase shock oil volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved shock cooling during extended use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased resistance to shock fade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased rear damping during the final 2\" of compression travel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps reduce harsh suspension bottom-out\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVehicle-specific front and rear shock tuning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased wheel travel and ride quality over stock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved on-road and off-road handling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6061 aircraft-grade CNC-machined aluminum components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion-resistant CAD-plated front coilover shock bodies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003e7\/8\" front shock shafts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003e7\/8\" rear shock shafts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFK Rod End bearings for extended longevity and minimal deflection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully serviceable shocks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBolt-on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNo cutting or welding required\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON Vehicle Dynamics part number \u003cstrong\u003eK53054\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Does Stage 4 Add Over Stage 3?\u003c\/h3\u003e\n\u003cp\u003eThe defining upgrade from ICON Stage 3 to Stage 4 is the \u003cstrong\u003erear shock package\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eStage 3 uses ICON's 2.0 Aluminum Series rear shocks, while Stage 4 upgrades to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2.5 Aluminum Series rear shocks\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRemote reservoirs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased shock oil volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved heat dissipation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreater resistance to shock fade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eICON Bump Zone technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003e7\/8\" rear shock shafts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe rest of the major Stage 3 components remain, including Extended Travel front coilovers, billet Delta Joint upper control arms, rear lift springs and billet rear lower links.\u003c\/p\u003e\n\u003cp\u003eFor drivers who spend more time off road, particularly over rough terrain where the suspension is cycling repeatedly, the larger remote reservoir rear shocks represent a significant performance upgrade.\u003c\/p\u003e\n\u003ch3\u003eAdjustable 0-3.5\" Front Lift\u003c\/h3\u003e\n\u003cp\u003eThe ICON Extended Travel 2.5 Series front coilovers provide \u003cstrong\u003e0 to 3.5 inches of adjustable front lift\u003c\/strong\u003e on a stock-equipped vehicle.\u003c\/p\u003e\n\u003cp\u003eThis allows you to adjust the front ride height based on your desired stance, tire size and vehicle configuration.\u003c\/p\u003e\n\u003cp\u003eUnlike a basic spacer lift, the ICON system replaces the factory front shock and spring assembly with performance-oriented coilovers designed to improve:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRide quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShock damping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuspension travel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVehicle control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOff-road performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFront ride height\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFront Lift Range: 0-3.5\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eICON notes that published coilover lift heights are based on a \u003cstrong\u003estock-equipped vehicle\u003c\/strong\u003e. Added weight from aftermarket bumpers, winches, skid plates and other accessories can affect actual ride height.\u003c\/p\u003e\n\u003ch3\u003eExtended Travel 2.5 Series Front Coilovers\u003c\/h3\u003e\n\u003cp\u003eThe K53054 uses ICON \u003cstrong\u003e58645 Extended Travel 2.5 Series Vehicle-Specific Internal Reservoir Coilovers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Extended Travel design provides additional front suspension droop and wheel travel when combined with the included ICON upper control arms.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2.5-inch shock body\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExtended Travel design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVehicle-specific shock tuning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable \u003cstrong\u003e0-3.5\" front lift\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased front droop travel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion-resistant CAD-plated shock body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003e7\/8-inch shock shaft\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6061 aircraft-grade aluminum CNC-machined components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFK Rod End bearings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully serviceable construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eICON Billet Upper Control Arms\u003c\/h3\u003e\n\u003cp\u003eThe K53054 Stage 4 system includes ICON's premium \u003cstrong\u003ebillet aluminum upper control arms with Delta Joint\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese UCAs are CNC machined from \u003cstrong\u003e6061 aircraft-grade aluminum\u003c\/strong\u003e and are designed to work with the Extended Travel front coilovers.\u003c\/p\u003e\n\u003cp\u003eThe upgraded control arms provide the additional articulation required to take advantage of the Extended Travel coilovers while helping maintain appropriate suspension geometry at increased ride heights.\u003c\/p\u003e\n\u003ch3\u003eICON Delta Joint\u003c\/h3\u003e\n\u003cp\u003eThe billet upper control arms use ICON's patented \u003cstrong\u003eDelta Joint\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Delta Joint is a heavy-duty high-angle joint designed to combine the durability and weather resistance of a ball joint with the increased angularity associated with a traditional uniball.\u003c\/p\u003e\n\u003cp\u003eDelta Joint features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty high-angle design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreater angularity than a typical ball joint\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMetal-on-metal construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreaseable design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eZinc-plated housing for corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtective grease seal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps protect internal components from dirt, water and contaminants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for quiet operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent for daily-driven and off-road vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBillet Aluminum Rear Lower Links\u003c\/h3\u003e\n\u003cp\u003eThe K53054 retains ICON's premium \u003cstrong\u003ebillet aluminum rear lower links\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese heavy-duty links replace the factory rear lower links and provide both increased strength and important suspension adjustment capabilities.\u003c\/p\u003e\n\u003cp\u003eBenefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCNC-machined \u003cstrong\u003e6061 billet aluminum construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased strength compared with factory links\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOn-vehicle pinion angle adjustment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved rear suspension geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved on-road and off-road handling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty construction for demanding trail use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ability to adjust pinion angle is particularly useful on lifted vehicles where changes in rear suspension geometry can affect driveline angles.\u003c\/p\u003e\n\u003ch3\u003e2\" Rear Lift Coil Springs\u003c\/h3\u003e\n\u003cp\u003eThe K53054 includes ICON \u003cstrong\u003e52700 2-inch rear lift coil springs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese springs complement the adjustable front coilovers and provide additional rear ride height while maintaining balanced front-to-rear suspension performance.\u003c\/p\u003e\n\u003ch3\u003e2.5 Aluminum Series Remote Reservoir Rear Shocks\u003c\/h3\u003e\n\u003cp\u003eOne of the most important components of the K53054 Stage 4 system is the pair of \u003cstrong\u003eICON 57810P 2.5 Aluminum Series Remote Reservoir rear shocks\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCompared with the 2.0 rear shocks used in Stage 3, the larger 2.5 Series shocks provide greater oil capacity and improved damping capability.\u003c\/p\u003e\n\u003cp\u003eRear shock features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2.5-inch aluminum shock body\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExternal remote reservoirs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased shock oil volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved heat dissipation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreater resistance to shock fade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVehicle-specific tuning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003e7\/8-inch shock shafts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003e1-3 inches of rear lift\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003eBump Zone technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully serviceable construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Remote Reservoir Shocks?\u003c\/h3\u003e\n\u003cp\u003eShock absorbers convert suspension movement into heat.\u003c\/p\u003e\n\u003cp\u003eDuring prolonged off-road driving over rough terrain, the shocks may cycle hundreds or thousands of times. As shock temperature increases, damping performance can begin to decrease.\u003c\/p\u003e\n\u003cp\u003eThe remote reservoir design increases the total amount of shock oil in the system and provides additional surface area for heat dissipation.\u003c\/p\u003e\n\u003cp\u003eThe result is improved thermal management, allowing the rear shocks to \u003cstrong\u003ework harder for longer periods without noticeable shock fade\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis makes the Stage 4 system particularly well suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAggressive trail driving\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-speed off-road driving\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWashboard roads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOverlanding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExtended backcountry travel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavily modified vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRepeated rough-terrain use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eICON Bump Zone Technology\u003c\/h3\u003e\n\u003cp\u003eThe 2.5 Series rear shocks included with K53054 feature ICON's \u003cstrong\u003eBump Zone technology\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBump Zone significantly increases the shock's damping ability during the \u003cstrong\u003efinal 2 inches of compression travel\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAs the rear suspension approaches full compression, the increased damping helps slow the axle's movement before the suspension reaches the end of its travel.\u003c\/p\u003e\n\u003cp\u003eThis helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReduce harsh bottom-out events\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImprove suspension control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAbsorb larger impacts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain better vehicle composure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvide a more controlled ride over varying terrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor an FJ Cruiser or 4Runner used aggressively off road, Bump Zone provides an additional layer of suspension control when encountering larger bumps, dips and trail obstacles.\u003c\/p\u003e\n\u003ch3\u003eBalanced Front-to-Rear Damping\u003c\/h3\u003e\n\u003cp\u003eICON designed the Stage 4 system as a complete suspension package rather than a collection of unrelated components.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e2.5 Series front coilovers and 2.5 Series rear remote reservoir shocks\u003c\/strong\u003e provide more balanced damping capability from front to rear.\u003c\/p\u003e\n\u003cp\u003eVehicle-specific tuning helps provide predictable handling and suspension response across varying terrain.\u003c\/p\u003e\n\u003ch3\u003eSystem Components\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eICON K53054 Stage 4 Suspension System\u003c\/strong\u003e includes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront Extended Travel Coilovers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003e58645\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuantity: 1 pair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2.5 Series Vehicle-Specific Internal Reservoir Coilovers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExtended Travel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable 0-3.5\" front lift\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Upper Control Arms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eICON billet aluminum construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON Delta Joint\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for Extended Travel applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Rear Lower Links\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eICON billet aluminum construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOn-vehicle pinion angle adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty replacement for OE links\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRear Coil Springs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003e52700\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuantity: 1 pair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2\" rear lift coil springs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRear Remote Reservoir Shocks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003e57810P\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuantity: 1 pair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2.5 Aluminum Series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemote reservoir\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVehicle-specific tuning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBump Zone technology\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for 1-3\" rear lift\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWheel \u0026amp; Tire Recommendations\u003c\/h3\u003e\n\u003cp\u003eICON confirms that \u003cstrong\u003eOEM wheels and tires are compatible\u003c\/strong\u003e with the K53054 suspension system.\u003c\/p\u003e\n\u003cp\u003eFor aftermarket wheel and tire combinations, ICON recommends:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e17\" Wheels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e17x8.5\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e4.75\" backspacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e0mm offset\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e18\" Wheels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e18x9\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5.00\" backspacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e0mm offset\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e20\" Wheels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e20x9\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5.00\" backspacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e0mm offset\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Aftermarket Tire Size:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e33\" x 11.50\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLarger tires may fit, but ICON states that \u003cstrong\u003efender trimming and additional modifications will be required\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eActual tire clearance can vary based on wheel dimensions, offset, backspacing, suspension height and vehicle configuration.\u003c\/p\u003e\n\u003ch3\u003eExpedition Coil Option for Heavier Vehicles\u003c\/h3\u003e\n\u003cp\u003eICON identifies an optional \u003cstrong\u003e700 lb\/in Expedition Coil\u003c\/strong\u003e for heavier-equipped vehicles.\u003c\/p\u003e\n\u003cp\u003eThis may be useful for FJ Cruisers and 4Runners carrying substantial permanent front-end weight from accessories such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSteel bumpers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWinches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSkid plates\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecovery equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOther permanently installed accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpring selection should be based on the actual weight and configuration of the vehicle.\u003c\/p\u003e\n\u003ch3\u003eFully Serviceable ICON Shocks\u003c\/h3\u003e\n\u003cp\u003eThe ICON shocks included with K53054 are \u003cstrong\u003efully serviceable\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUnlike disposable replacement shocks, ICON shocks can be serviced and rebuilt as components wear, helping extend the usable life of the suspension system.\u003c\/p\u003e\n\u003ch3\u003eBolt-On Installation\u003c\/h3\u003e\n\u003cp\u003eThe ICON K53054 Stage 4 Suspension System is designed as a \u003cstrong\u003ebolt-on suspension upgrade\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNo cutting or welding is required.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA professional wheel alignment should be performed after installation and final front ride-height adjustment.\u003c\/p\u003e\n\u003cp\u003eBecause the system also includes adjustable rear lower links, the \u003cstrong\u003erear pinion angle should be properly adjusted during installation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ICON Vehicle Dynamics\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e K53054\u003cbr\u003e\u003cstrong\u003eProduct:\u003c\/strong\u003e Stage 4 Suspension System\u003cbr\u003e\u003cstrong\u003eToyota 4Runner Fitment:\u003c\/strong\u003e 2003-2009\u003cbr\u003e\u003cstrong\u003eToyota FJ Cruiser Fitment:\u003c\/strong\u003e 2007-2009\u003cbr\u003e\u003cstrong\u003eFront Shock Series:\u003c\/strong\u003e ICON 2.5 Series Extended Travel\u003cbr\u003e\u003cstrong\u003eFront Lift Range:\u003c\/strong\u003e 0-3.5\"\u003cbr\u003e\u003cstrong\u003eUpper Control Arms:\u003c\/strong\u003e ICON Billet Aluminum\u003cbr\u003e\u003cstrong\u003eUCA Joint:\u003c\/strong\u003e ICON Delta Joint\u003cbr\u003e\u003cstrong\u003eRear Lower Links:\u003c\/strong\u003e ICON Billet Aluminum\u003cbr\u003e\u003cstrong\u003eRear Link Adjustment:\u003c\/strong\u003e On-Vehicle Pinion Angle Adjustment\u003cbr\u003e\u003cstrong\u003eRear Coil Spring Lift:\u003c\/strong\u003e 2\"\u003cbr\u003e\u003cstrong\u003eRear Shock Series:\u003c\/strong\u003e ICON 2.5 Aluminum Series\u003cbr\u003e\u003cstrong\u003eRear Shock Type:\u003c\/strong\u003e Remote Reservoir\u003cbr\u003e\u003cstrong\u003eRear Shock Technology:\u003c\/strong\u003e ICON Bump Zone\u003cbr\u003e\u003cstrong\u003eRear Shock Lift Range:\u003c\/strong\u003e 1-3\"\u003cbr\u003e\u003cstrong\u003eFront Shock Shaft:\u003c\/strong\u003e 7\/8\"\u003cbr\u003e\u003cstrong\u003eRear Shock Shaft:\u003c\/strong\u003e 7\/8\"\u003cbr\u003e\u003cstrong\u003eFront Coilover Component:\u003c\/strong\u003e 58645\u003cbr\u003e\u003cstrong\u003eRear Coil Spring Component:\u003c\/strong\u003e 52700\u003cbr\u003e\u003cstrong\u003eRear Shock Component:\u003c\/strong\u003e 57810P\u003cbr\u003e\u003cstrong\u003eOEM Wheel \u0026amp; Tire Compatible:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eRecommended Tire Size:\u003c\/strong\u003e 33\" x 11.50\"\u003cbr\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Bolt-On\u003cbr\u003e\u003cstrong\u003eCutting Required:\u003c\/strong\u003e No\u003cbr\u003e\u003cstrong\u003eWelding Required:\u003c\/strong\u003e No\u003cbr\u003e\u003cstrong\u003eShocks Serviceable:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eUPC:\u003c\/strong\u003e 840103416854\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat vehicles does ICON K53054 fit?\u003c\/strong\u003e\u003cbr\u003eICON lists K53054 for the \u003cstrong\u003e2003-2009 Toyota 4Runner and 2007-2009 Toyota FJ Cruiser\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much lift does ICON K53054 provide?\u003c\/strong\u003e\u003cbr\u003eThe front Extended Travel coilovers provide \u003cstrong\u003e0-3.5 inches of adjustable lift\u003c\/strong\u003e, while the included rear coil springs provide approximately \u003cstrong\u003e2 inches of rear lift\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between ICON Stage 3 and Stage 4?\u003c\/strong\u003e\u003cbr\u003eThe major upgrade is the rear shocks. Stage 4 replaces the Stage 3 2.0 rear shocks with \u003cstrong\u003e2.5 Aluminum Series Remote Reservoir rear shocks featuring ICON Bump Zone technology\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the advantages of 2.5 remote reservoir rear shocks?\u003c\/strong\u003e\u003cbr\u003eThe larger shock body and remote reservoir provide increased oil volume and improved heat dissipation, allowing the shocks to maintain more consistent damping during extended demanding use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is ICON Bump Zone technology?\u003c\/strong\u003e\u003cbr\u003eBump Zone significantly increases rear shock damping during the \u003cstrong\u003efinal 2 inches of compression travel\u003c\/strong\u003e, helping reduce harsh bottom-out and improve suspension control during larger impacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes K53054 use Extended Travel front coilovers?\u003c\/strong\u003e\u003cbr\u003eYes. K53054 includes ICON \u003cstrong\u003e58645 Extended Travel 2.5 Series front coilovers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat upper control arms are included?\u003c\/strong\u003e\u003cbr\u003eK53054 includes ICON's \u003cstrong\u003ebillet aluminum upper control arms with Delta Joint\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes K53054 include upgraded rear lower links?\u003c\/strong\u003e\u003cbr\u003eYes. The system includes ICON \u003cstrong\u003ebillet aluminum rear lower links\u003c\/strong\u003e with on-vehicle pinion angle adjustment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes K53054 fit a 2010-2014 FJ Cruiser?\u003c\/strong\u003e\u003cbr\u003eNo. ICON lists the complete K53054 system specifically for the \u003cstrong\u003e2007-2009 FJ Cruiser\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes K53054 fit the Lexus GX?\u003c\/strong\u003e\u003cbr\u003eSome individual components included in K53054 may fit Lexus GX applications, but ICON does not list the complete K53054 Stage 4 system for the GX. Follow ICON's complete-system fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size tires does ICON recommend?\u003c\/strong\u003e\u003cbr\u003eICON recommends \u003cstrong\u003e33\" x 11.50\" aftermarket tires\u003c\/strong\u003e with its specified wheel dimensions. Larger tires require additional clearance modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the factory wheels and tires?\u003c\/strong\u003e\u003cbr\u003eYes. ICON specifically lists \u003cstrong\u003eOEM wheels and tires as compatible\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the ICON shocks rebuildable?\u003c\/strong\u003e\u003cbr\u003eYes. ICON states that the shocks included with K53054 are \u003cstrong\u003efully serviceable\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes installation require cutting or welding?\u003c\/strong\u003e\u003cbr\u003eNo. ICON designed K53054 as a \u003cstrong\u003ebolt-on suspension system with no cutting or welding required\u003c\/strong\u003e.\u003c\/p\u003e","brand":"ICON Vehicle Dynamics","offers":[{"title":"Default Title","offer_id":47335433666733,"sku":"K53054","price":5470.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7198\/9165\/files\/cd29bf41ba84e9d17ba70fbaa7deaaf4.webp?v=1787848378","url":"https:\/\/pureautoparts.com\/products\/icon-stage-4-suspension-system-with-billet-uca-remote-reservoir-shocks-2003-2009-4runner-2007-2009-fj-cruiser-k53054","provider":"Pure Auto Parts","version":"1.0","type":"link"}