AST Linear Race Springs 140mm Length 90 N/mm Rate 61mm ID

AST Linear Race Spring — 140mm, 90 N/mm, 61mm ID AST Linear Race Springs are engineered for precision and consistent performance in racing and high-demand applications. This single spring delivers predictable linear force, durable construction, and tight manufacturing tolerances for reliable suspension tuning. Length: 140 mm Rate: 90 N/mm — ideal for aggressive damping and track-focused setups Inner Diameter (ID): 61 mm — fits many coilover and shock assemblies Quantity: Single spring Benefits include improved handling, consistent spring rate under load, and long-lasting material resilience. Perfect for racers, track day enthusiasts, and professional tuners seeking a compact, high-rate linear spring. Order the AST Linear Race Spring for a precise, high-performance upgrade to your suspension package.