Silentspin hybrid bushings: Eliminates squeaks and maintenance for a quieter, cleaner ride
Pro 4 ball joints with sealed dust caps: Provides high articulation and blocks debris for long-term reliability
4130 chromoly construction: Ensures extreme durability and strength for demanding off-road use
Preassembled and fully rebuildable: Enables quick, hassle-free installation with replaceable wear parts
Corrosion-resistant finishes: Zinc plated hardware and black powder coat protect against the elements
Summarized by Shop
Description Dirt King 4130 Upper Control Arms – Built to Solve Real Problems
If you drive a 2007–2018 GM 1500 (2WD or 4WD) and you're ready for a suspension upgrade, these 4130 UCAs are for you. We made them to tackle the exact issues we kept running into ourselves—squeaky bushings, joints that need constant attention, and geometry t
Material
4130 chromoly steel
Ball Joints
Pro 4 series, sealed dust caps
Bushing Type
Silentspin hybrid, maintenance-free
Articulation
76 degrees
Lift Capacity
Up to 0.3 inches
Track Width
Stock maximum backspacing 4.75 inches, minimum rim size 17 inches