The AST linear race spring is a single 130mm coilover spring with a 150 N/mm rate and a 61mm inner diameter. Its linear profile keeps a steady spring rate over travel, helping drivers achieve consistent handling and controlled ride height on coilover setups. Sold individually, this AST Linear Race option is useful for precise suspension adjustments and corner-weighting during tuning.
AST Linear Race Springs - 130mm Length x 150 N/mm Rate x 61mm ID - Single