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The AST Linear Race Spring is a single 140 mm suspension spring with a linear 220 N/mm rate and a 61 mm inner diameter. It supplies steady linear compression to aid accurate spring-rate tuning, helping achieve desired ride-height and handling balance. Best used in coilover-style suspension systems, the spring’s predictable response supports repeatable setup adjustments for performance-focused driving.
AST Linear Race Springs - 140mm Length x 220 N/mm Rate x 61mm ID - Single
