[Product Information]

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• It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring);
• One spring with 1，750 lbs capacity for standard 3，500 lbs trailer axle;
• 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， 9/16" bushing dia;