The AST 200mm linear race spring with a 40 N/mm rate and 61mm inner diameter is supplied as a single coilover spring for tuned suspension setups. Its steady linear spring rate produces consistent response through travel, aiding repeatable handling and ride-height control for track or aggressive street use where a firmer, predictable spring is required.
AST Linear Race Springs - 200mm Length x 40 N/mm Rate x 61mm ID - Single