AEagle 4 Leaf 1750lb Capacity Double Eye Spring for 3500lb Trailer Axle, 25-1/4" Length, 1.75" Width, 3" Free Open & U-Bolt & Hanger Kit, Suspension Kit Replaces SW4B, 2PCS

• Replaces for Part Number: SW4B • Includes: 2 x 4-Leaves Double Eyes Springs; 3,500lbs axle U-bolt kit for 2-3/8" dia round trailer axles. Kit includes: 4 x 5-1/2" long U bolts, U bolts dia. 1/2", 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts. Complete single trailer axle hanger kit for 1-3/4" leaf springs, Kit includes: 2 x 3" tall hangers, 2 x 2.1" tall hangers, 4 x shackle straps (eye to eye 3.09"), 6 x 9/16"-18 x 3" long shackle bolts and locknuts • Parameters: 1,750 lb capacity per spring for 3,500 lbs trailers; eye to eye length: 25-1/4 inch, free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, 2 bushings installed for each spring, leaf thickness: 5/16 inch.（Note: The nut should be tightened horizontally. Failure to do so will affect the final user experience） • Durability: Each of AEAGLE trailer leaf spring kit with anti-rust coating for good corrosion resistance. We always choose raw material with high quality to make our products strong, durable and ensure reliable performance and long use time. • Quality Assurance: 12-month warranty! Tested before shipping.

About AEAGLE Leaf Springs:

--Sturdy Steel: We choose high-quality 60Si2Mn (A Steel with Higher Hardness) to make our products strong and durable.

--Good Corrosion Resistance: Our Trailer leaf spring kit with anti-rust coating.

--Well-selected and Tested: To ensure that Leaf springs can withstand the load impact of the wheel on the frame, reduce the severe vibration of the body, and maintain the stability of the vehicle and its adaptability to different road conditions.

--Stable Elastic Characteristics: It can improve the smoothness and stability of Trailer driving, thus improving comfort.

--Ideal Solution: Seamlessly replaces leaf springs damaged by overloading, collision, cracking, or corrosion, or are due for replacement when the vehicle sags, bounces excessively or rides unevenly.

Product Parameters:

--1750 lb Capacity Per Spring for 3,500 lbs Trailers

--Eye to Eye Length: 25-1/4 inch

--Free Open: 3 inch

--Width of Leaf: 1-3/4 inch

--4 Leaves

--9/16 inch Bushing Dia, 2 Bushings Installed for Each Spring

--Leaf Thickness: 5/16 inch

Kit Includes:

--2 x 4-Leaves Double Eyes Springs

--3,500lbs axle U-bolt kit for 2-3/8" dia round trailer axles (4 x 5-1/2" long U bolts, U bolts dia: 1/2"; 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts)

--Complete single trailer axle hanger kit for 1-3/4" leaf springs (2 x 3" tall hangers, 2 x 2.1" tall hangers, 4 x shackle straps (eye to eye 3.09"), 6 x 9/16"-18 x 3" long shackle bolts and locknuts)

Replaces for Part Number:

--Replaces SW4B