Fits: 2001–2010 Chevy 1500HD, 2500HD, 3500HD 2001–2010 GMC 1500HD, 2500HD, 3500HD 2002–2009 Hummer H2 (8 Lug Trucks Only) Important Fitment Info:Kryptonite Upper Control Arms are compatible with stock-height, leveled, and most lifted setups—as long as the upper control arms remain in the factory location. These are not compatible with upper control arm drop lift kits. Features: Boxed Arm Design – Laser-cut and welded for extreme strength and durability Bolt-On Upgrade – Compatible with stock or leveled 2500HD–3500HD trucks and many lift kits Upgraded Ball Joints Included – Includes Kryptonite bolt-on upper ball joints, pre-greased and ready to install Improved Ride & Alignment – Helps maintain factory geometry while improving strength and performance with added caster Pre-Greased with Chevron EP2 – Ready for installation; service every 5-7k miles Description: Kryptonite’s Boxed Upper Control Arm Kit is one of the most effective upgrades for the front end of your GM HD truck. Whether you’re running stock suspension, a level kit, or most lift kits, these upper control arms deliver improved strength, durability, and ride quality—all while maintaining proper suspension geometry. Built from precision laser-cut steel and welded into a rigid boxed design, these arms are engineered for performance and longevity. Included bolt-on ball joints and hardware make installation straightforward, and the arms are fully serviceable. For added alignment control and long-term durability, Kryptonite recommends upgrading with the optional Cam Bolt Kit #KR0026, especially if your truck sees off-road use, harsh winters, or has high mileage. Includes: 1 x Kryptonite Boxed Upper Control Arm Pair 4 x Control Arm Sleeves 8 x Control Arm Bushings 2 x Upper Bump Stops 2 x Kryptonite Bolt-On Upper Ball Joints 1 x Hardware Package DOWNLOAD INSTALLATION INSTRUCTIONS HERE Warranty: (Kryptonite No Fine Print Lifetime Warranty)Kryptonite Steering & Suspension components are warrantied for life to their original purchaser. This warranty covers manufacturer defects, premature wear, or breakage. Race it, jump it, off‑road it, wreck it, lift it—we don’t care. If you can break it, we’ll replace it. Your Kryptonite products must be purchased through an Authorized Dealer, and Warranty Registration completed within 90 days of purchase. Complete warranty details can be found [here].
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