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The AST Linear Race Spring is a single 140 mm suspension spring with a linear 100 N/mm rate and a 61 mm inner diameter. It provides predictable linear compression for accurate spring-rate tuning, helping refine ride height and balance. Intended for coilover-style suspension setups, the spring’s steady response supports consistent handling and repeatable setup adjustments.
AST Linear Race Springs - 140mm Length x 100 N/mm Rate x 61mm ID - Single
