Corrosion & Wear Resistant: Coated components provide superior protection against rust, moisture, and road chemicals for extended service life. Complete Set for Full Steering Rebuild: Includes all essential components required for a complete king pin service—no extra parts needed. Compatible with: K120E / R202007 Heavy-Duty Alloy Steel Construction: Manufactured from heat-treated, high-strength alloy steel for maximum durability under extreme commercial loads. Precision-Machined for Perfect Fit: Each king pin and bushing is CNC-machined to exact OEM tolerances, ensuring smooth steering and long-term reliability.