SuperSprings SumoSprings Helper Spring Kit - Blue Natural - 1400 lb - Trailer Axle (Pair) 01203 The world's oldest performance muffler

The world's oldest performance muffler is now available for that "resto-rod" or your 1950's custom

The high pressure nitrogen gas and floating piston technology combine to create the fastest responding shock ever

Large Boot

Classic Customizable Chassis Harness-Key In Dash-21 Circuits

SuperSprings SumoSprings Helper Spring Kit - Blue Natural - 1400 lb - Trailer Axle (Pair) 01203 The world's oldest performance mufflerProduct Description: Helper Spring Kit SumoSprings Relocation Bracket Hardware Included Polyurethane Blue Natural 1400 lb Trailer Axle Pair SuperSprings International manufactures high quality spring solutions to improve the handling, ride quality, and load capacity in a wide range of vehicles, including cars, trucks, SUVs, and even RVs. Whether they are used on daily drivers or on work trucks, Supersprings have a unique design that is designed for