King Shocks SPR25-10-200 KIN 2.5 ID Coil Springs drive-primary-drive-hardware Pressure relief valve and anti-drain

Pressure relief valve and anti-drain back valve (where applicable)

Waterproof with breathable HiPora-« membrane & Thinsulate-« insulation

5 mm and full friction ring to maximize heat capacity

Zero UV emissions

The S5500 Winch continues Superwinch's dominance as the leader in trailer-specific winching

King Shocks SPR25-10-200 KIN 2.5 ID Coil Springs drive-primary-drive-hardware Pressure relief valve and anti-drainKing coil springs are manufactured to our specifications in the USA using the finest quality, high tensile, chrome silicon wire available. Our springs are specifically wound for off road applications, not repackaged car springs. Our spring rates, wire diameters, and coil lengths have been developed through extensive real world testing on all types of terrain. Our race winning designs have been put to the test in the heat of battle from Baja to Dakar.