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The AST Linear Race Spring is a single 140 mm suspension spring with a linear 170 N/mm rate and a 61 mm inner diameter. It supplies a predictable linear response to assist precise spring-rate tuning and handling refinement. Intended for coilover-style setups, the spring helps deliver consistent compression behavior for repeatable suspension adjustments during track or spirited driving.
AST Linear Race Springs - 140mm Length x 170 N/mm Rate x 61mm ID - Single
