3,500lbs capacity per each spring, for standard 7,000lbs trailer axle
Eye to Eye length: 25-1/4", Free open: 3", width of leaf: 1-3/4", 6 leaves, 9/16" bushing dia
It will replace SW6 / LIB-601-DE / UNA223 / PR6 / 9150021 (different SKU# but same spring)
LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers.