This Redline 1/2" x 2-3/8" x 5-1/2" Round U-bolts and Nuts typically fits a 3,500-lb axle with a 1-3/4" spring width. It has 20 threads per inch and measures 2-3/8" wide from inside to inside. Priced and sold per kit with quantity pricing applied in cart.

This Redline 1/2" x 3" x 7" Round U-bolts with Nuts typically fits a 5,200-lb to 7000-lb axle with a 1-3/4" or 2" spring width. It has 20 threads per inch and is 3" wide from inside to inside. Quantity pricing applied in cart.

These Redline 9/16" x 3" x 7-1/4" Round U-bolts and Nuts typically fit a 5,200-lb to 7000-lb axle with a 1-3/4" or 2" spring width. These have 18 threads per inch and measure 3" wide from inside to inside. Quantity pricing applied in cart.

This Redline 9/16" x 3-1/2" x 8" Round U-bolts and Nuts typically fits a 8,000-lb axle with a 2" spring width. It has 18 threads per inch and measures 3-1/2" wide from inside to inside. Priced and sold per each with quantity pricing available.

These Redline 1/2" x 1-1/2" x 5" Square U-bolts and Nuts are typically used for 3,500-lb axles, measure 1-1/2" wide from inside to inside. These have 20 threads per inch. Priced and sold per each with quantity pricing applied in cart.

These Redline 9/16" x 1-3/4" x 5" Square U-bolts and Nuts measure 1-3/4" wide from inside to inside with 18 threads per inch. Includes 2 U-Bolts and 4 Nuts. Priced and sold per each with quantity pricing applied in cart.

This Redline 9/16" x 2" x 5-3/4" Square U-bolts with Nuts measure 2" wide from inside to inside and includes two u-bolts and four nuts. They have 18 threads per inch. Priced and sold per each with quantity pricing applied in the shopping cart.

These Redline 9/16" x 3" Shackle, Spring Eye Bolts and Nuts attach leaf spring to the hangers or equalizers, used with 1-3/4" wide springs. Locknuts are included, sold 4 each per package. Priced and sold per each with quantity pricing applied in cart.

These Redline 9/16" x 3" Shackle Bolts, Nuts and Zerks are designed to attach leaf spring to the hangers or equalizers, zerk is included for easy installation. These 9/16" x 3" Shackle Bolts, Nuts, and Zerks are sold 4 each per pack, with quantity pricing applied in the cart.

These Redline 9/16" x 3-1/2" Shackle, Spring Eye Bolts and Nuts attach leaf spring to the hangers or equalizers, sold 4 per package. Use with 2" wide springs. Priced and sold per each with quantity pricing available.

This Redline 7/8" x 4-11/16" Equalizer Bolt, Nut and Cotter Pin secures the equalizer to the center hanger of tandem or triple-axle trailer suspension systems. Includes castle nut and cotter pin. Priced and sold per each with quantity pricing available.

These Redline 7/8" x 4-11/16" Equalizer Bolt, Nut and Zerk features a pressed-in grease zerk which allows for easy lubrication in order to keep moving elements functioning properly. Priced and sold per bolt & nut kit with quantity pricing applied in cart.

This Redline 9/16" x 11/16" Nylon Spring Eye Bushings is a 1-Piece Nylon Bushing for Trailer Leaf Springs, 6 Bushings per package. It measures 9/16" ID, 11/16" OD and 1-3/4" long. Priced and sold per each with quantity pricing available.

This Redline 9/16" x 3/4" Nylon Spring Eye Bushings for Trailer Leaf Spring Eye measure 9/16" ID, 3/4" OD, 1-3/4" long. These are sold 6 Bushings per package. These bushings are priced and sold per each pack with quantity pricing applied in the cart.

These Redline 9/16" x 1-5/16" Nylon Spring Eye Bushings are a 1-Piece Nylon Bushing for Trailer Leaf Spring Eye. This Kit includes bushings for 4 spring eyes 9/16" ID x 1-5/16" OD x 2" Long. Quantity pricing applied in cart.