The AST Linear Race Spring is a single 140 mm suspension spring with a linear 150 N/mm rate and a 61 mm inner diameter. It provides steady, linear spring response to aid precise tuning of ride height and handling balance. Appropriate for coilover-style suspension assemblies, the spring’s consistent behavior makes setup changes repeatable for performance-oriented driving or track use.
AST Linear Race Springs - 140mm Length x 150 N/mm Rate x 61mm ID - Single