{"product_id":"icon-stage-4-suspension-system-with-tubular-uca-remote-reservoir-shocks-2003-2009-4runner-2007-2009-fj-cruiser-k53054t","title":"ICON Stage 4 Suspension System with Tubular UCA \u0026 Remote Reservoir Shocks – 2003-2009 4Runner \u0026 2007-2009 FJ Cruiser | K53054T","description":"\u003cp\u003eTake your Toyota's suspension performance to the next level with the \u003cstrong\u003eICON Vehicle Dynamics Stage 4 Suspension System with Tubular Upper Control Arms, part #K53054T\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for the \u003cstrong\u003e2003-2009 Toyota 4Runner and 2007-2009 Toyota FJ Cruiser\u003c\/strong\u003e, the ICON Stage 4 system combines \u003cstrong\u003eExtended Travel 2.5 Series front coilovers\u003c\/strong\u003e, \u003cstrong\u003etubular steel upper control arms with ICON Delta Joint\u003c\/strong\u003e, \u003cstrong\u003e2-inch rear lift coil springs\u003c\/strong\u003e, \u003cstrong\u003etubular steel 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 K53053T Stage 3 system, Stage 4 makes a major rear shock upgrade. The 2.0 rear shocks are replaced with larger \u003cstrong\u003e2.5 Series Remote Reservoir shocks\u003c\/strong\u003e, providing increased oil volume, enhanced cooling and improved resistance to shock fade during prolonged off-road use.\u003c\/p\u003e\n\u003cp\u003eThe rear shocks also feature ICON's \u003cstrong\u003eBump Zone technology\u003c\/strong\u003e, which significantly increases damping during the final 2 inches of compression travel to help prevent harsh bottom-out and provide a more controlled ride 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 K53054T 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 the system may fit additional Toyota and Lexus vehicles, but that does not extend the fitment of the complete K53054T 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\u003etubular steel 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\u003etubular steel rear lower links\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRear links provide \u003cstrong\u003epinion angle adjustment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRear links provide increased strength and improved suspension geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-maintenance multi-durometer rear link bushings\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 provide increased shock oil volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhanced shock cooling during prolonged use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved resistance to shock fade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased damping during the final \u003cstrong\u003e2\" of compression travel\u003c\/strong\u003e\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 shock 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\u003eK53054T\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 \u003cstrong\u003eK53053T Stage 3 to K53054T Stage 4\u003c\/strong\u003e is the rear shock package.\u003c\/p\u003e\n\u003cp\u003eStage 3 uses ICON 2.0 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\u003eEnhanced cooling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved resistance to shock fade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003e7\/8\" shock shafts\u003c\/strong\u003e\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\u003c\/ul\u003e\n\u003cp\u003eThe Stage 4 system retains the Extended Travel front coilovers, tubular Delta Joint upper control arms, 2\" rear springs and tubular rear lower links found in the tubular Stage 3 package.\u003c\/p\u003e\n\u003cp\u003eFor vehicles that spend substantial time off road or repeatedly cycle the suspension over rough terrain, the larger remote reservoir rear shocks provide a significant performance advantage.\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 the front ride height to be adjusted 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 assemblies with performance 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\u003eK53054T 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 Tubular Upper Control Arms\u003c\/h3\u003e\n\u003cp\u003eThe K53054T Stage 4 system includes ICON \u003cstrong\u003e58451DJ tubular steel upper control arms\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese heavy-duty UCAs are designed to complement the Extended Travel front coilovers and provide the additional articulation required when increasing front suspension travel and ride height.\u003c\/p\u003e\n\u003cp\u003eThe tubular control arms provide a strong and durable alternative to ICON's billet aluminum UCA design while retaining the performance benefits of the \u003cstrong\u003eICON Delta Joint\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eICON Delta Joint\u003c\/h3\u003e\n\u003cp\u003eThe tubular 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 of a ball joint with the increased angularity and performance characteristics of 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 keep dirt, water and contaminants away from internal components\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\u003eTubular Steel Rear Lower Links\u003c\/h3\u003e\n\u003cp\u003eThe K53054T includes ICON \u003cstrong\u003e54000T tubular steel rear lower links\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThese links replace the factory rear lower control arms with substantially stronger components designed specifically for lifted and off-road applications.\u003c\/p\u003e\n\u003cp\u003eBenefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003etubular steel construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased strength compared with OE rear links\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable rear pinion angle\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\u003eCorrect roll-steer geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-maintenance multi-durometer bushings\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\u003eDirect replacement for the factory rear lower links\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdjustable Rear Pinion Angle\u003c\/h3\u003e\n\u003cp\u003eLifting a vehicle changes the relationship between the rear axle and driveshaft.\u003c\/p\u003e\n\u003cp\u003eThe ICON tubular rear lower links allow adjustment for \u003cstrong\u003eoptimum rear pinion angle\u003c\/strong\u003e, helping maintain proper driveline geometry after the vehicle has been lifted.\u003c\/p\u003e\n\u003cp\u003eThis is an important functional advantage over non-adjustable factory rear links.\u003c\/p\u003e\n\u003ch3\u003eCorrect Roll-Steer Geometry\u003c\/h3\u003e\n\u003cp\u003eICON designed the tubular rear lower links to provide \u003cstrong\u003ecorrect roll-steer geometry\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis contributes to predictable rear suspension behavior and improved handling both on pavement and off road.\u003c\/p\u003e\n\u003cp\u003eThe links therefore provide more than simply increased strength—they're designed as a functional suspension upgrade.\u003c\/p\u003e\n\u003ch3\u003e2\" Rear Lift Coil Springs\u003c\/h3\u003e\n\u003cp\u003eThe K53054T 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 K53054T 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 conventional 2.0 rear shocks, the larger 2.5 Series shocks provide greater oil capacity and enhanced cooling.\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\u003eEnhanced cooling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved 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 driving over rough terrain, repeated suspension movement causes shock temperatures to increase. Excessive heat can eventually reduce damping performance.\u003c\/p\u003e\n\u003cp\u003eThe remote reservoir design increases the total oil volume of the shock system while providing additional capacity for heat management.\u003c\/p\u003e\n\u003cp\u003eThis allows the rear suspension to \u003cstrong\u003ework harder for longer periods without noticeable shock fade\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Stage 4 system is especially 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 use\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 driving\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 K53054T feature ICON's \u003cstrong\u003eBump Zone technology\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBump Zone significantly increases damping 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 additional damping helps slow axle 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\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 changing terrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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 simply combining unrelated components.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e2.5 Series front coilovers and 2.5 Series remote reservoir rear shocks\u003c\/strong\u003e provide 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 K53054T 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 kit \/ 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\u003eTubular Upper Control Arms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003e58451DJ\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuantity: 1 kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTubular steel construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eICON Delta Joint\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTubular Rear Lower Links\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eICON \u003cstrong\u003e54000T\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuantity: 1 kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty tubular steel construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable pinion angle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-durometer bushings\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 kit \/ 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 K53054T 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\u003eICON notes that larger tires may fit, but \u003cstrong\u003efender trimming and other modifications will be required\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eActual tire clearance can vary based on wheel width, 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\u003ch3\u003eFully Serviceable ICON Shocks\u003c\/h3\u003e\n\u003cp\u003eThe ICON shocks included with K53054T 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 over time, helping extend the usable life of the suspension system.\u003c\/p\u003e\n\u003ch3\u003eBolt-On Installation\u003c\/h3\u003e\n\u003cp\u003eThe ICON K53054T 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 Stage 4 also replaces the 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 K53054T\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 Tubular Steel\u003cbr\u003e\u003cstrong\u003eUCA Joint:\u003c\/strong\u003e ICON Delta Joint\u003cbr\u003e\u003cstrong\u003eRear Lower Links:\u003c\/strong\u003e ICON Tubular Steel\u003cbr\u003e\u003cstrong\u003eRear Link Adjustment:\u003c\/strong\u003e Adjustable Pinion Angle\u003cbr\u003e\u003cstrong\u003eRear Link Bushings:\u003c\/strong\u003e Multi-Durometer\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\u003eUpper Control Arm Component:\u003c\/strong\u003e 58451DJ\u003cbr\u003e\u003cstrong\u003eRear Lower Link Component:\u003c\/strong\u003e 54000T\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\u003eShipping Weight:\u003c\/strong\u003e 153 lbs.\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 K53054T fit?\u003c\/strong\u003e\u003cbr\u003eICON lists K53054T 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 K53054T 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 K53053T Stage 3 and K53054T Stage 4?\u003c\/strong\u003e\u003cbr\u003eThe primary upgrade is the rear shock package. K53054T replaces the Stage 3 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 is the difference between K53054 and K53054T?\u003c\/strong\u003e\u003cbr\u003eK53054T uses \u003cstrong\u003etubular steel upper control arms and tubular steel rear lower links\u003c\/strong\u003e. K53054 uses ICON's billet versions of those suspension components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat upper control arms are included with K53054T?\u003c\/strong\u003e\u003cbr\u003eK53054T includes ICON \u003cstrong\u003e58451DJ tubular steel upper control arms with Delta Joint\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat rear lower links are included?\u003c\/strong\u003e\u003cbr\u003eThe system includes ICON \u003cstrong\u003e54000T tubular steel rear lower links\u003c\/strong\u003e with adjustable pinion angle and multi-durometer bushings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the advantages of the 2.5 remote reservoir rear shocks?\u003c\/strong\u003e\u003cbr\u003eThe larger shock body and remote reservoir provide increased oil volume and enhanced cooling, helping the shocks maintain consistent damping during prolonged demanding use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is ICON Bump Zone technology?\u003c\/strong\u003e\u003cbr\u003eBump Zone significantly increases damping during the \u003cstrong\u003efinal 2 inches of rear shock compression travel\u003c\/strong\u003e, helping reduce harsh bottom-out and improve suspension control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes K53054T use Extended Travel front coilovers?\u003c\/strong\u003e\u003cbr\u003eYes. The system includes ICON \u003cstrong\u003e58645 Extended Travel 2.5 Series front coilovers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the rear pinion angle be adjusted?\u003c\/strong\u003e\u003cbr\u003eYes. The ICON tubular rear lower links allow adjustment for \u003cstrong\u003eoptimum rear pinion angle\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes K53054T fit a 2010-2014 FJ Cruiser?\u003c\/strong\u003e\u003cbr\u003eNo. ICON lists the complete K53054T Stage 4 system specifically for the \u003cstrong\u003e2007-2009 FJ Cruiser\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes K53054T fit the Lexus GX?\u003c\/strong\u003e\u003cbr\u003eSome individual components included in the system fit Lexus GX applications, but ICON does not list the complete K53054T 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 K53054T 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 K53054T 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":47335438549165,"sku":"K53054T","price":4471.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7198\/9165\/files\/823742102fafbfe807ef6ef050408c47_26a1b905-853f-44fb-b4a3-60ba77b19fd2.webp?v=1787848608","url":"https:\/\/pureautoparts.com\/products\/icon-stage-4-suspension-system-with-tubular-uca-remote-reservoir-shocks-2003-2009-4runner-2007-2009-fj-cruiser-k53054t","provider":"Pure Auto Parts","version":"1.0","type":"link"}