Silentspin hybrid bushings: Eliminates squeaks and maintenance for quieter, longer-lasting performance
Pro 4 series ball joints: Provides high articulation and superior strength for smoother steering and durability
4130 chromoly construction: Built with high-strength tubing and reinforced gussets for extreme durability
Fully rebuildable design: All wear items are replaceable for long-term reliability
Preassembled shipping: Enables quick, hassle-free installation with no guesswork
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Description Dirt King 4130 Upper Control Arms – Built to Solve Real Problems
If you drive a 2021–2025 Ford F150 (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 attent