The King Shocks 3.0-inch ID coil spring described as 8 x 350lb is a suspension spring with a higher mid-range rate, intended for assemblies that take a 3.0-inch inner diameter. It works with compatible shock bodies for replacements or custom setups and provides a 350lb specification for increased load control and firmer handling compared with lower-rate options.
King Shocks 3.0 ID Coil Springs 8 x 350lb