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The AST linear race spring is a single 150 mm coil spring with a 160 N/mm rate and a 61 mm inner diameter, designed for coilover-style suspension to increase spring rate and change ride height. Supplied individually, it provides a direct way to stiffen suspension and pair rates with damper settings for desired handling; confirm your coilover accepts a 61 mm ID spring before installation.
AST Linear Race Springs - 150mm Length x 160 N/mm Rate x 61mm ID - Single
