This Hot-Dipped Galvanized Trailer Leaf Spring U-Bolt kit fits 2 inch by 2 inch square axles. Hot-Dipped galvanized coating helps prevent rust in the harsh marine environments. This U-Bolt Kit is used to mount your trailer leaf springs to your axle by using the 2 U-Bolts and 4 hole plates. This kit includes (4) 1/2 x 2 x 5 5/16 inch square U-Bolts, (2) Galvanized 4 Hole Mounting Plates, (8) Galvanized nuts and lock washers.
This is the size we sell with our Hot-Dipped Galvanized Axles when using our Adjustable Spring Seats with 3 Leaf to 5 Leaf Springs. You will most likely be using this kit on a 2" x 2" Square Galvanized 3500 lb Trailer axle for your boat trailer. This kit will compete both sides of (1) 2" x 2" trailer axle. To increase the life of your galvanized hardware, Boeshields T-9 Rust and Corrosion Protection Waterproof Lubrication Spray can be applied as a barrier against corrosion.