Kryptonite KRUCA10 Upper Control Arms – GM Duramax 2001-2010

Upgrade your GM 6.6L Duramax truck with precision-engineered Kryptonite KRUCA10 Upper Control Arms. Each arm is laser-cut and TIG-welded into a robust boxed design for unmatched durability and strength. Proudly manufactured in the USA, these UCAs come with a lifetime warranty for your peace of mind, ensuring long-lasting performance whether your truck is stock, leveled, or lifted.

Ideal for 2001-2010 GM trucks with a 6.6L Duramax engine (LB7, LLY, LBZ, LMM), this kit includes everything you need—driver and passenger arms, control arm sleeves, bushings, bump stops, XD Series ball joints, and hardware. Compatible with most aftermarket lifts up to 6", these arms enhance ride quality, improve handling, and restore proper suspension geometry. Perfect for both daily driving and heavy-duty use.