Product: M-Parts 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)
Brand: M-Parts
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.
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

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