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

Replaces for Part Number: SW4B

Includes: 2 x 4-Leaves Double Eyes Springs; 3500lbs axle U-bolt kit(Kit includes: 4 x 5-1/2" long U bolts, U-bolt thread diameter is 1/2",the curvature (inside diameter) of the U-bolt is 2 4/9"; 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts). And this kit used for 2-3/8" dia round trailer axles.

Parameters: 1750 lb capacity per spring for 3,500 lbs trailers; eye to eye length: 25-1/4", free open: 3", width of leaf: 1-3/4", 4 leaves, 9/16" bushing dia, 2 bushings installed for each spring, leaf thickness: 5/16".（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.