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The AST linear race spring is a single coil spring for coilover assemblies, specified at 250mm length with a 55 N/mm linear rate and 61mm inner diameter. It provides a consistent linear response for tuning ride height and firmness when paired with adjustable dampers. Sold individually; select matched rates across corners to keep handling predictable.
AST Linear Race Springs - 250mm Length x 55 N/mm Rate x 61mm ID - Single
