The AST linear race spring is a single coil spring for coilover assemblies, specified at 220mm length with a 70 N/mm linear rate and 61mm inner diameter. It provides consistent linear springing to help refine ride height and suspension response when used with adjustable dampers. Supplied individually; pair rates across wheels for predictable balance.
AST Linear Race Springs - 220mm Length x 70 N/mm Rate x 61mm ID - Single