The AST linear race spring is a single coil spring for coilover assemblies, specified at 220mm length with a 55 N/mm linear rate and 61mm inner diameter. It provides a predictable linear response for tuning ride height and spring rate to match adjustable dampers. Sold individually; pick matched rates across corners for consistent handling.
AST Linear Race Springs - 220mm Length x 55 N/mm Rate x 61mm ID - Single