The AST Linear Race spring is a single 80mm-length coilover spring with a 35 N/mm rate and 61mm inner diameter. Sold individually, it provides a moderate linear rate in a compact package for coilover applications that need precise spring rate selection. The 61mm ID and 80mm length let tuners match spring geometry to many aftermarket coilover platforms.
AST Linear Race Springs - 80mm Length x 35 N/mm Rate x 61mm ID - Single