SumoSprings are now here for the rear of your vehicle. Due to customer request and demand, SumoSprings has taken their patented polyurethane foam technology and used it to make springs that will fit the rear of your Ford Super Duty pickup.
We haven't found anything that holds up better. The product underwent testing in extreme conditions ranging from blistering summer days to the frigid Canadian nights.
The SumoSpring is manufactured in a proprietary multi-stage process of casting that results in numerous benefits the competition simply does not have. The microcellular foam can provide you with...
