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The AST linear race spring is a single coil spring sized at 180mm length with a 40 N/mm rate and a 61mm inner diameter. Designed to deliver a steady linear spring rate for race-focused suspension setups, it’s sold individually so installers can set different rates where needed. Confirm the 180mm length, 40 N/mm rate and 61mm ID match your mounts before purchase.
AST Linear Race Springs - 180mm Length x 40 N/mm Rate x 61mm ID - Single
