The AST Linear Race Spring is a single 140 mm suspension spring with a linear 160 N/mm rate and a 61 mm inner diameter. It offers consistent linear compression for dependable spring-rate control, supporting accurate ride-height and handling adjustments. Best used in coilover-style suspension systems, the spring’s steady response helps maintain repeatable tuning outcomes for performance driving.
AST Linear Race Springs - 140mm Length x 160 N/mm Rate x 61mm ID - Single