Check out this Heavy Duty 25 inch Double Eye 4 Leaf Spring
Works great on single axle or tandem axle set ups
Rated to 2400 pounds per spring to give you that extra support
1 3/4 inches wide
Leaf Spring comes with 9/16 inch bushings pre-installed
1/2 inch bushings can be purchased and installed in the springs to accomodate 1/2 inch spring bolts, more commonly used in boat trailers