Check the listing for details. U-Bolt Kit for 3,500 lb Trailer Axles – Fits 2-3/8" Round Axle – Suspension Clam. Condition: New. Listed at 18.99 USD. Upgrade or replace your trailer’s suspension hardware with the TRAILER SUPPLIES U-Bolt Kit, engineered for 3,500 lb capacity trailer axles. This kit fits standard 2-3/8" round axles and 1-3/4" wide leaf springs, commonly found on utility, boat, and cargo trailers. Each kit includes 4 heavy-duty 5.5" U-bolts with 1/2"-20 threads, 8 hex nuts and lock washers, and 2 tie plates — everything you need for a complete axle mounting solution. All components are zinc-coated for rust resistance, ensuring long-term performance in all weather conditions. Whether you're repairing or building a trailer, this U-bolt kit provides a secure, dependable connection between your axle and suspension system. Powered by ExportYourStore.com