{"product_id":"ksp-front-upper-control-arm-for-toyota-4runner-2003-2023-forged","title":"KSP Front Upper Control Arm for Toyota 4Runner 2003-2023 - Forged","description":"\u003cp\u003eOur review of the KSP Front Upper Control Arm finds it best suited for owners of lifted Toyota and Lexus rigs who need a durable, serviceable replacement that corrects geometry after a 2-4' lift. The single biggest reason to buy is its one-piece forged T6 aluminum construction which is lighter than OEM iron parts and resists rust, backed by precision CNC machining and magnetic particle inspection during production. That combination delivers a robust control arm intended to outlast stock components in snowy or corrosive environments.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-piece forged design:\u003c\/strong\u003e Provides a lighter but stronger replacement that eliminates welded seams and weak points for long-term strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT6 aluminum, rust resistant:\u003c\/strong\u003e Upgraded alloy construction prevents corrosion even after exposure to melting snow and road salt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable greasable socket:\u003c\/strong\u003e Allows new lubricant to flush contaminants, reducing wear and prolonging the ball joint life when maintained.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyurethane bushings:\u003c\/strong\u003e Premium bushings handle extreme temperatures better than rubber and improve driving feedback and noise control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect ball joint angle for lifts:\u003c\/strong\u003e Designed to provide greater range of motion for 2-4' lift applications, helping restore proper chassis geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality inspection:\u003c\/strong\u003e Each arm is inspected with magnetic particle testing to detect defects and ensure structural integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe KSP Front Upper Control Arm is for 4Runner, FJ Cruiser, Land Cruiser Prado and GX owners running a 2-4' lift who want a durable, non-rusting aluminum arm that improves articulation and resists corrosion. It appeals to buyers who prefer a serviceable ball joint and upgraded bushings for better on-road feedback and off-road compliance.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include drivers who want OEM-spec iron arms with factory ball joint materials or anyone unwilling to perform periodic greasing and inspection, since the serviceable features require maintenance to realize their full life expectancy.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged T6 aluminum construction is lightweight and resists rust compared with uncoated iron arms.\u003c\/li\u003e\n\u003cli\u003eServiceable greasable socket and protective dust covers extend component life when maintained.\u003c\/li\u003e\n\u003cli\u003ePolyurethane bushings offer improved feedback and reduced noise over rubber bushings.\u003c\/li\u003e\n\u003cli\u003eBuilt to correct ball joint angle for lifted suspension setups, improving alignment range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome customers reported ball joint boot durability issues, so inspect boots during install and maintain greasing.\u003c\/li\u003e\n\u003cli\u003eRequires periodic maintenance to get the most life from the greasable socket and bushings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Vehicles\u003c\/td\u003e\n\u003ctd\u003e4Runner 2003-2023, FJ Cruiser 2006-2016, Land Cruiser Prado 2002-2022, GX 2003-2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLift Compatibility\u003c\/td\u003e\n\u003ctd\u003eDesigned for 2-4' lift applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eOne-piece forged T6 aluminum, CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall Joint\u003c\/td\u003e\n\u003ctd\u003eHeat treated pin with zinc-nickel coating and protective dust boots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBushings\u003c\/td\u003e\n\u003ctd\u003ePremium polyurethane with lubricating groove design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServiceability\u003c\/td\u003e\n\u003ctd\u003eGreasable socket for periodic lubrication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuality Control\u003c\/td\u003e\n\u003ctd\u003eMagnetic particle inspection during production\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe KSP Front Upper Control Arm is a solid value for owners of lifted Toyota and Lexus SUVs who want a corrosion-resistant, higher-performance replacement arm. Its forged T6 construction, greasable socket and polyurethane bushings make it durable and better suited to lifted geometry than many stock arms, provided the user performs routine maintenance and watches the ball joint boots for wear.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my lifted 4Runner?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed to accommodate 2-4' lift setups for 4Runner model years listed in the compatibility spec.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the arm require special maintenance?\u003c\/strong\u003e\u003cbr\u003eRoutine greasing of the serviceable socket and inspection of dust boots is recommended to maximize life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this control arm rust proof?\u003c\/strong\u003e\u003cbr\u003eThe T6 aluminum construction resists rust and the ball joint pin uses a zinc-nickel coating to improve corrosion resistance.\u003c\/p\u003e","brand":"KSP PERFORMANCE","offers":[{"title":"Default Title","offer_id":48252391358683,"sku":"B0D4DCJNKT","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71zctPuvVZL._AC_SL1500_c2b29498-20f1-49fe-9fc2-69e39af1879c.jpg?v=1778318465","url":"https:\/\/gearmusthave.com\/products\/ksp-front-upper-control-arm-for-toyota-4runner-2003-2023-forged","provider":"GearMustHave","version":"1.0","type":"link"}