Ford Super Duty Semi Round U-Bolt Kits

Replacement U-Bolt Kit – Super Duty Spring Plates (Front & Rear)

Keep your suspension secure with this Replacement U-Bolt Kit, designed specifically for the semi-round Super Duty spring plates found on both front and rear axles. Built to handle 3" wide springs, these heavy-duty U-bolts are e-coated black for durability and corrosion resistance.

🔥 Key Features:

• Direct Fit – For semi-round Super Duty spring plates (front & rear axles)

• Spring Size – Fits 3" wide leaf springs

• Durable Construction – 9/16" threaded U-bolts, e-coated black for long-term corrosion resistance

• Heavy-Duty Hardware – Includes washers and nuts for a complete install

📏 U-Bolt Specs:

• Thread Size: 9/16"

• Inside Width: 3.0"

• Inside Length: 11.5"

• Thread Length: 3.75"

• Style: Semi-Round

📦 Kit Includes:

• (4) U-bolts

• (8) Nuts

• (8) Washers

✅ Proven Reliability:
Perfect for freshening up your suspension during a rebuild or spring swap, this kit gives you the confidence that your suspension is locked down tight and built to last.