Control Arms & Castors

The Kryptonite Upper Control Arm Kit KRUCA20 will improve the front suspension of your GM Silverado/Sierra 2500HD/3500HD. These upper control arms are manufactured from laser-cut steel that is machine-formed and precision welded for supreme strength right here in small town USA.

Upgrade your Ford F250/F350 Super Duty with the Kryptonite Death Grip Radius Arm Kit KRFDRD1, the ultimate suspension enhancement. Crafted with fully boxed and hand-welded construction, this radius arm ensures a secure hold on your front axle. Built for maximum durability, it offers high tire clearance and unparalleled caster alignment adjustability.

The Kryptonite Upper Control Arm Kit KRUCA10 will upgrade the suspension in front of your GM Silverado/Sierra 2500HD/3500HD. These American-made Upper Control arms are laser cut and welded into an exceptionally strong boxed design.

Upgrade your Ram 2500/3500 Truck with the Kryptonite Death Grip Radius Arm Kit KRDRD14, the ultimate suspension enhancement. Crafted with fully boxed and hand-welded construction, this radius arm ensures a secure hold on your front axle. Built for maximum durability, it offers high tire clearance and unparalleled caster alignment adjustability.