Pair of SW4B Trailer Spring – 25-1/4″ Double Eye 4-Leaf Spring 1-3/4″ Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring)
Cross-Reference: SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184
Free Open (Height of Arc): 3″; 2 Bushings Installed for Each Spring
Leaf Thickness 5/16 Product Description
Pair of 25-1/4″ Double Eye 4-Leaf Trailer Springs 1-3/4″ Wide For 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring) – SW4B (2 Included). This is the #1 most commonly used standard spring for on 3,500 lbs trailer axles in the market; wide compatibility. Cross-Reference: SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 Built to last.