The AST linear race spring is a single coil spring for coilover assemblies, specified at 250mm length with a 35 N/mm linear rate and 61mm inner diameter. It offers a moderate linear feel for tuning ride comfort and stiffness in adjustable suspension systems. Sold individually; select matching rates across wheels to preserve balanced handling characteristics.
AST Linear Race Springs - 250mm Length x 35 N/mm Rate x 61mm ID - Single