{"product_id":"axiom-supply-stage-3-fox-2-0-performance-leveling-system-gm-hd-truck-2500-3500-silverado-sierra-2001-2010","title":"Axiom Supply Stage 3 FOX 2.0\" Performance Leveling System GM HD Truck 2500 \/ 3500 Silverado \/ Sierra 2001-2010","description":"\u003ch3\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAxiom Supply Stage 3 FOX 2.0 Performance Leveling System\u003c\/strong\u003e is a complete suspension upgrade engineered for GM 8-lug HD trucks and SUVs seeking increased front ride height, corrected suspension geometry, improved wheel travel, and premium FOX ride control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChevrolet \/ GMC HD Trucks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSilverado 2500HD – \u003cstrong\u003e2001-2010\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSierra 2500HD – \u003cstrong\u003e2001-2010\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSilverado 3500 \/ 3500HD – \u003cstrong\u003e2001-2010\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSierra 3500 \/ 3500HD – \u003cstrong\u003e2001-2010\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSilverado 1500HD – \u003cstrong\u003e2001-2003, 2005-2007 Classic\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSierra 1500HD – \u003cstrong\u003e2001-2003, 2005-2007 Classic\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSilverado 2500 – \u003cstrong\u003e2001-2004\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSierra 2500 – \u003cstrong\u003e2001-2004\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGM 2500-Series SUV \/ Hummer Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChevrolet Suburban 2500 – \u003cstrong\u003e2001-2013\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGMC Yukon XL 2500 – \u003cstrong\u003e2001-2013\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChevrolet Avalanche 2500 – \u003cstrong\u003e2002-2006\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHummer H2 – \u003cstrong\u003e2003-2009\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHummer H2 SUT – \u003cstrong\u003e2005-2009\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFitment Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFits applicable \u003cstrong\u003e2WD and 4WD torsion-bar-equipped models\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCompatible with \u003cstrong\u003egas and Duramax diesel applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFits both \u003cstrong\u003e2001-2007 Classic\u003c\/strong\u003e and \u003cstrong\u003e2007.5-2010 New Body Style GM HD trucks\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eProvides up to \u003cstrong\u003e2\" of adjustable front ride height\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIncludes application-specific \u003cstrong\u003eFOX Performance Series 2.0 IFP front and rear shocks\u003c\/strong\u003e designed for stock and leveled suspension configurations.\u003c\/p\u003e\n\u003cp\u003eThe complete Stage 3 system is intended for \u003cstrong\u003estock-height through approximately 2\" front-leveled applications\u003c\/strong\u003e. Trucks utilizing larger suspension lifts may require different-length shocks specific to the lift system.\u003c\/p\u003e\n\u003cp\u003eDesigned around the factory upper control arm mounting locations.\u003c\/p\u003e\n\u003cp\u003eOversized tires may require additional wheel offset or spacers for adequate control arm clearance.\u003c\/p\u003e\n\u003cp\u003eA professional alignment is required following installation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Stage 3 Performance Suspension System\u003c\/strong\u003e – Combines Axiom Heavy-Duty Upper Control Arms, forged torsion leveling keys, Grade 12.9 ball joints, premium bushings, and a complete set of \u003cstrong\u003eFOX Performance Series 2.0 IFP shocks\u003c\/strong\u003e into one integrated suspension package.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFOX Performance Series 2.0 IFP Shocks\u003c\/strong\u003e – Includes a complete set of FOX Performance Series 2.0 Internal Floating Piston front and rear shocks engineered to deliver improved ride quality, suspension control, and dependable performance both on and off-road.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRide-Height Corrected Caster Geometry\u003c\/strong\u003e – Unlike many aftermarket upper control arms designed around a fixed amount of caster correction for one predetermined leveling height, the Axiom control arms feature \u003cstrong\u003ecaster correction engineered directly into the arm geometry\u003c\/strong\u003e, providing usable alignment range throughout stock, leveled, and varying ride-height configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRace-Proven FOX Damping Technology\u003c\/strong\u003e – FOX's race-developed damping architecture delivers a controlled and comfortable highway ride while maintaining predictable suspension response when terrain becomes rough or demanding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Floating Piston Design\u003c\/strong\u003e – FOX's monotube IFP architecture separates the shock oil from the high-pressure nitrogen gas chamber, helping prevent oil aeration and maintain consistent damping performance under demanding operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication-Specific FOX Valving\u003c\/strong\u003e – The included shocks utilize vehicle-specific damping characteristics engineered for GM HD applications to provide balanced ride quality, stability, and suspension control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Flow Damping Piston\u003c\/strong\u003e – FOX race-developed high-flow piston technology produces smooth, predictable damping characteristics while maintaining control through rough terrain, towing conditions, and everyday driving.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImpact-Extruded Aluminum Shock Bodies\u003c\/strong\u003e – FOX 2.0 Performance Series shock bodies utilize lightweight aluminum construction to dissipate heat efficiently while providing excellent corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrue Double-Shear Control Arm Construction\u003c\/strong\u003e – Built from identical upper and lower \u003cstrong\u003e3\/16\" steel plates\u003c\/strong\u003e that are precision laser cut and hand welded into a single rigid structure. Supporting the ball joint mounting area from both sides distributes suspension loads more effectively while maximizing strength and rigidity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquipped with AX6292 Grade 12.9 Ball Joints\u003c\/strong\u003e – Every system includes a pair of \u003cstrong\u003eAxiom Supply AX6292 Bolt-On Upper Ball Joints\u003c\/strong\u003e featuring our Grade 12.9 Extreme-Duty Ball Stud technology for exceptional strength, steering precision, and resistance to deformation under heavy loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eForged Torsion Leveling Keys\u003c\/strong\u003e – Heavy-duty forged keys provide up to \u003cstrong\u003e2\" of adjustable front ride height\u003c\/strong\u003e while maintaining proper torsion-bar indexing and adjustment range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrected Suspension Geometry\u003c\/strong\u003e – Addresses the unfavorable upper ball joint and control arm angles created when the factory torsion-bar suspension is leveled, improving articulation, wheel travel, and overall suspension performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncreased Droop Travel\u003c\/strong\u003e – Improved upper control arm and ball joint geometry restores available downward suspension travel that can be lost when the factory suspension is leveled using torsion keys alone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImproved Alignment Capability\u003c\/strong\u003e – Increased usable caster and camber adjustment helps alignment technicians properly set up the truck across a broader range of front ride heights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Position Ball Joint Mounting\u003c\/strong\u003e – Allows the ball joint to be mounted above or below the control arm mounting plate, providing additional flexibility when optimizing ball joint angle, alignment, and suspension geometry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Laser-Cut Components\u003c\/strong\u003e – Manufactured using computer-designed, laser-cut steel components for exceptional fitment consistency and manufacturing accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eService-Friendly Design\u003c\/strong\u003e – Improved grease fitting access simplifies routine ball joint maintenance and lubrication.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePremium Bushing System\u003c\/strong\u003e – High-quality bushings and sleeves provide smooth articulation while minimizing unwanted suspension deflection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for Heavy-Duty Use\u003c\/strong\u003e – Engineered for towing, oversized tires, off-road use, job-site duty, and everyday driving.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime Warranty Protection\u003c\/strong\u003e – Axiom suspension and steering components are backed by the \u003cstrong\u003eAxiom No-Nonsense Lifetime Warranty\u003c\/strong\u003e for the original purchaser.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAxiom Supply Stage 3 FOX 2.0 Performance Leveling System for 2001-2010 GM HD Trucks\u003c\/strong\u003e was developed for owners who want more than simply raising the front of their truck.\u003c\/p\u003e\n\u003cp\u003eA basic torsion-key leveling kit can increase ride height, but changing suspension height also affects \u003cstrong\u003eupper control arm position, ball joint operating angle, droop travel, caster geometry, alignment capability, and shock performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Axiom Stage 3 System addresses all of these areas as one complete suspension package.\u003c\/p\u003e\n\u003cp\u003eAt the foundation of the system are Axiom Supply \u003cstrong\u003eforged torsion leveling keys\u003c\/strong\u003e, providing up to \u003cstrong\u003e2\" of adjustable front ride height\u003c\/strong\u003e to reduce factory rake and create additional clearance for larger wheel and tire combinations.\u003c\/p\u003e\n\u003cp\u003eRather than forcing the factory shocks to operate outside their ideal range, Stage 3 replaces all four shocks with \u003cstrong\u003eFOX Performance Series 2.0 IFP shocks\u003c\/strong\u003e specifically suited to stock and leveled GM HD suspension configurations.\u003c\/p\u003e\n\u003cp\u003eFOX's monotube Internal Floating Piston architecture separates the shock oil from the high-pressure nitrogen gas chamber, helping prevent aeration and maintain consistent damping as temperatures and operating conditions change.\u003c\/p\u003e\n\u003cp\u003eRace-developed high-flow pistons, application-specific valving, and aluminum shock bodies work together to provide improved suspension control while retaining the comfortable, predictable ride characteristics expected from a premium daily-driven truck.\u003c\/p\u003e\n\u003cp\u003eThe result is a suspension that feels \u003cstrong\u003emore controlled over broken pavement, more composed through larger suspension movements, and more predictable when towing, hauling, or traveling off-road\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBut improved damping is only part of the Stage 3 system.\u003c\/p\u003e\n\u003cp\u003eRaising a torsion-bar GM HD changes the operating position of the upper control arm and can make achieving desirable caster increasingly difficult.\u003c\/p\u003e\n\u003cp\u003eThe included \u003cstrong\u003eAxiom Supply Heavy-Duty Upper Control Arms\u003c\/strong\u003e address this through purpose-engineered suspension and caster geometry.\u003c\/p\u003e\n\u003cp\u003eUnlike many competing aftermarket control arms that incorporate a fixed amount of caster correction intended around one predetermined lift or leveling height, Axiom engineered the \u003cstrong\u003ecaster correction directly into the control arm geometry to provide usable alignment range throughout a broad range of ride heights\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis means the alignment technician can properly set the suspension based on the truck's \u003cstrong\u003eactual ride height and configuration\u003c\/strong\u003e, rather than forcing the truck to work around control arm geometry designed specifically for one fixed leveling setting.\u003c\/p\u003e\n\u003cp\u003eThe result is improved \u003cstrong\u003estraight-line stability, steering return-to-center, alignment capability, suspension articulation, and overall driving characteristics\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe Axiom control arms also help restore available \u003cstrong\u003edroop travel\u003c\/strong\u003e lost when the front suspension is raised with torsion keys alone. Improved upper ball joint operating angles allow the suspension to move more naturally without forcing the joint toward the limits of its available articulation.\u003c\/p\u003e\n\u003cp\u003eStructurally, each control arm utilizes Axiom's \u003cstrong\u003etrue double-shear construction\u003c\/strong\u003e, built from matching upper and lower \u003cstrong\u003e3\/16\" laser-cut steel plates\u003c\/strong\u003e that are hand welded into one rigid structural assembly.\u003c\/p\u003e\n\u003cp\u003eRather than supporting the ball joint from a single mounting surface, the double-shear design supports the mounting area from both sides, distributing suspension loads more effectively while reducing flex under heavy steering and suspension loads.\u003c\/p\u003e\n\u003cp\u003eEach control arm is equipped with an \u003cstrong\u003eAxiom Supply AX6292 Bolt-On Upper Ball Joint\u003c\/strong\u003e featuring our \u003cstrong\u003eGrade 12.9 Extreme-Duty Ball Stud technology\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe bolt-in design combines exceptional strength with long-term serviceability, allowing the ball joint itself to be replaced independently without replacing the complete upper control arm.\u003c\/p\u003e\n\u003cp\u003eAxiom's \u003cstrong\u003edual-position ball joint mounting system\u003c\/strong\u003e adds another level of suspension setup flexibility, allowing the ball joint to be positioned above or below the mounting plate depending on the vehicle's suspension configuration.\u003c\/p\u003e\n\u003cp\u003eCombined with premium bushings, precision sleeves, forged torsion leveling keys, corrected caster geometry, and a complete set of FOX 2.0 Performance Series shocks, Stage 3 creates a suspension package designed to function as a complete system rather than a collection of unrelated aftermarket components.\u003c\/p\u003e\n\u003cp\u003eWhether your GM HD is a \u003cstrong\u003edaily-driven Duramax, tow rig, work truck, off-road build, or oversized-tire street truck\u003c\/strong\u003e, the Axiom Supply Stage 3 FOX 2.0 Performance Leveling System delivers the \u003cstrong\u003eride height, caster correction, suspension travel, shock control, alignment capability, strength, and serviceability\u003c\/strong\u003e required to transform the way the truck looks, drives, and performs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFOX Shock System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIncludes application-specific \u003cstrong\u003eFOX Performance Series 2.0 IFP shocks\u003c\/strong\u003e for front and rear suspension positions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFOX Performance Series 2.0 IFP\u003cbr\u003eDesigned for stock through leveled front suspension applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRear\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFOX Performance Series 2.0 IFP\u003cbr\u003eDesigned to maintain controlled rear suspension performance while complementing the upgraded front suspension.\u003c\/p\u003e\n\u003cp\u003eFOX Performance Series features include:\u003c\/p\u003e\n\u003cp\u003e2.0\" monotube shock architecture\u003c\/p\u003e\n\u003cp\u003eInternal Floating Piston design\u003c\/p\u003e\n\u003cp\u003eHigh-pressure nitrogen gas charge\u003c\/p\u003e\n\u003cp\u003eRace-developed high-flow piston\u003c\/p\u003e\n\u003cp\u003eApplication-specific valving\u003c\/p\u003e\n\u003cp\u003eImpact-extruded aluminum shock body\u003c\/p\u003e\n\u003cp\u003eHeat-treated alloy steel shock shaft\u003c\/p\u003e\n\u003cp\u003eServiceable premium construction\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eBall Joint Interchange\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe included \u003cstrong\u003eAxiom Supply AX6292\u003c\/strong\u003e utilizes the common aftermarket bolt-in upper ball joint pattern associated with:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eK6292\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMOOG K6292\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe AX6292 is a serviceable bolt-in ball joint designed specifically for compatible aftermarket GM HD upper control arms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e K6292 interchange applies to the \u003cstrong\u003ebolt-in ball joint used with compatible aftermarket upper control arms\u003c\/strong\u003e. It is not the same design as the factory press-in upper ball joint used in the original stamped GM control arm.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eApply approximately \u003cstrong\u003e3 pumps of grease to each ball joint during installation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor continued performance, service each ball joint every \u003cstrong\u003e5,000-7,000 miles\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUse only the amount of grease necessary to properly lubricate the joint and avoid over-greasing.\u003c\/p\u003e\n\u003cp\u003ePeriodically inspect ball joints, control arm bushings, torsion-key adjustment hardware, shocks, and suspension mounting hardware—particularly on vehicles used off-road, for heavy towing, or with oversized tires.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e(2) Axiom Supply Heavy-Duty Upper Control Arms\u003c\/p\u003e\n\u003cp\u003e(2) Axiom Supply \u003cstrong\u003eAX6292 Grade 12.9 Bolt-On Upper Ball Joints\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(2) Axiom Supply \u003cstrong\u003eForged Torsion Leveling Keys\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(2) \u003cstrong\u003eFOX Performance Series 2.0 IFP Front Shocks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(2) \u003cstrong\u003eFOX Performance Series 2.0 IFP Rear Shocks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(4) Control Arm Sleeves\u003c\/p\u003e\n\u003cp\u003e(8) Control Arm Bushings\u003c\/p\u003e\n\u003cp\u003e(1) Complete Installation Hardware Kit\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eInterchange\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2001-2010 Chevy Silverado 2500HD FOX Leveling Kit, 2001-2010 GMC Sierra 2500HD FOX Leveling Kit, Silverado 3500 FOX Leveling Kit, Silverado 3500HD FOX Leveling Kit, Sierra 3500 FOX Leveling Kit, Sierra 3500HD FOX Leveling Kit, Silverado 1500HD FOX Leveling Kit, Sierra 1500HD FOX Leveling Kit, Silverado 2500 FOX Leveling Kit, Sierra 2500 FOX Leveling Kit, Suburban 2500 FOX Leveling Kit, Yukon XL 2500 FOX Leveling Kit, Avalanche 2500 FOX Leveling Kit, Hummer H2 FOX Leveling Kit, GM HD FOX 2.0 Leveling Kit, Duramax FOX Leveling Kit, LB7 Leveling Kit, LLY Leveling Kit, LBZ Leveling Kit, LMM Leveling Kit, GM HD Upper Control Arms, GM HD Forged Torsion Keys, GM HD Caster Corrected Upper Control Arms, FOX 2.0 GM HD Shocks, K6292 Upper Ball Joint, AX6292 Upper Ball Joint\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eThe Axiom No-Nonsense Lifetime Warranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOur suspension components are \u003cstrong\u003ewarrantied for life\u003c\/strong\u003e to the original purchaser against \u003cstrong\u003emanufacturer defects, premature wear, or breakage\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003ePush it to the limit—we don't care.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf the part lets you down, we'll make it right.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Axiom Supply","offers":[{"title":"Default Title","offer_id":47979012292713,"sku":"AXGM10STAGE3FOX2.0","price":1359.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/6102\/3849\/files\/AXGM10STAGE3FOX2.0.png?v=1788393313","url":"https:\/\/axiomsupply.com\/products\/axiom-supply-stage-3-fox-2-0-performance-leveling-system-gm-hd-truck-2500-3500-silverado-sierra-2001-2010","provider":"Axiom Supply","version":"1.0","type":"link"}