The AST Linear Race Spring is a single 140 mm suspension spring with a linear 180 N/mm rate and a 61 mm inner diameter. It provides consistent linear compression for precise spring-rate control, helping refine handling and ride-height adjustments. Suited for coilover-style suspension assemblies, the spring’s steady response supports repeatable tuning for performance and track-oriented setups.
AST Linear Race Springs - 140mm Length x 180 N/mm Rate x 61mm ID - Single