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The AST Linear Race Spring is a single 140 mm suspension spring with a linear 360 N/mm rate and a 61 mm inner diameter. It provides consistent linear compression for reliable spring-rate control, helping you tune ride height and handling precisely. Well suited to coilover-style suspension setups, the spring’s steady behavior supports repeatable adjustments for performance and track-focused tuning.
AST Linear Race Springs - 140mm Length x 360 N/mm Rate x 61mm ID - Single
