{"product_id":"ksp-performance-front-upper-control-arms-for-silverado-sierra-2-4-adjustable-ucas-with-3-piece-ball-joints-rubber-bushings","title":"KSP PERFORMANCE Front Upper Control Arms for Silverado\/Sierra — 2–4\" Adjustable UCAs with 3‑Piece Ball Joints \u0026 Rubber Bushings","description":"\u003cp\u003e\u003cstrong\u003eKSP PERFORMANCE Front Upper Control Arms are a heavy-duty, adjustable replacement set engineered to restore correct alignment and improve front-end stability for 2019–2026 Chevy Silverado 1500 and 2019+ GMC Sierra 1500 trucks with 2–4\" lifts.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese aftermarket upper control arms (UCAs) are built from CNC-formed thick-walled steel, TIG-welded at key stress points and finished with a durable powder coat to resist corrosion. Each arm includes a high-frequency heat-treated ball pin design and superior rubber bushings to match factory ride feedback while increasing strength and ride predictability after a lift. The arms come with three-piece ball joints and an adaptive ride control bracket for direct-fit installation on many lifted Trail Boss, AT4 and AT4X applications without cutting.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these UCAs improve handling after a suspension lift?\u003c\/h3\u003e\n\u003cp\u003eRaising a truck alters suspension geometry and can introduce poor caster and uneven tire wear; these UCAs are adjustable to correct those angles. They restore proper joint alignment and provide more consistent steering response, which helps the truck track straighter and wear tires more evenly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable length to dial in caster correction for 2–4\" lifts\u003c\/li\u003e\n  \u003cli\u003eOptimized pipe thickness reduces flex under load\u003c\/li\u003e\n  \u003cli\u003eFactory-like rubber bushings preserve steering feel\u003c\/li\u003e\n  \u003cli\u003eThree-piece ball joints for robust articulation and serviceability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and manufacturing details make these arms more durable?\u003c\/h3\u003e\n\u003cp\u003eThe arms use alloy steel with CNC machining and high-frequency heat treatment on the ball pins to increase tensile strength versus stock arms. TIG welds are applied at structural joints to minimize failure points, and a professional powder-coat finish helps prevent rust on road-exposed surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThickened tubing formed by CNC for consistent wall thickness\u003c\/li\u003e\n  \u003cli\u003eHeat-treated alloy ball pins for greater shear strength\u003c\/li\u003e\n  \u003cli\u003eTIG welding at high-stress areas for improved fatigue life\u003c\/li\u003e\n  \u003cli\u003ePowder coat finish to extend corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these control arms work with my Trail Boss or AT4 model?\u003c\/h3\u003e\n\u003cp\u003eThey are designed to fit 2019 and newer Silverado 1500 and 2019+ Sierra 1500 trucks, including Trail Boss, AT4, and AT4X variants that already have about 1.5–2\" of factory lift. For lifts extending to 2–4\", these UCAs provide the necessary adjustability and mounting provisions for a direct or minimally modified installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with many Trail Boss\/AT4\/AT4X trucks with up to 2\" factory lift\u003c\/li\u003e\n  \u003cli\u003eEngineered for additional 2–4\" aftermarket lift ranges\u003c\/li\u003e\n  \u003cli\u003eIncludes adaptive ride control bracket to avoid cutting on many installs\u003c\/li\u003e\n  \u003cli\u003eCheck vehicle year\/make\/model fitment before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I care for these control arms after installation?\u003c\/h3\u003e\n\u003cp\u003eNew ball joints are factory-lubricated and typically don’t require extra grease within the first year, but periodic inspection and routine maintenance extend service life. Keep fasteners torqued to spec and inspect bushings and joints for play, especially after off-road use or heavy hauling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNew joints pre-lubricated; no grease needed within first year\u003c\/li\u003e\n  \u003cli\u003eInspect torque on mounting hardware after initial break-in miles\u003c\/li\u003e\n  \u003cli\u003eCheck bushings and joint play periodically for safety\u003c\/li\u003e\n  \u003cli\u003eAvoid aggressive impacts to extend weld and tube longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product intended for: This UCA set is aimed at Silverado and Sierra owners upgrading suspension height or replacing worn factory arms who want a stronger, adjustable solution that preserves ride feel. It’s a good choice for owners installing 2–4\" lifts, drivers who tow or carry heavy loads, and people who want to correct steering geometry for improved tire life and more predictable handling. If you’re unsure about fitment, verify your truck’s year, make and model against the product listing and contact KSP PERFORMANCE for fitment assistance or warranty support.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these UCAs fit 2020 Silverado Trail Boss with a factory lift?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—compatible with 2019+ Trail Boss\/AT4 models that have about 1.5–2\" factory lift; verify your exact model before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the ball joints pre-lubricated and maintenance-free?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: New ball joints are factory-lubricated and typically require no extra grease within the first year; inspect periodically thereafter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KSP PERFORMANCE","offers":[{"title":"Default Title","offer_id":48080781770910,"sku":"B0D1BKND8H","price":342.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kspperformance-front-upper-control-arms-front-view.jpg?v=1785787088","url":"https:\/\/northtrailauto.ca\/products\/ksp-performance-front-upper-control-arms-for-silverado-sierra-2-4-adjustable-ucas-with-3-piece-ball-joints-rubber-bushings","provider":"North Trail Auto","version":"1.0","type":"link"}