AST astAST-140-380-61

The AST Linear Race Spring is a single 140 mm suspension spring with a linear 380 N/mm rate and a 61 mm inner diameter. It offers predictable linear compression for accurate spring-rate tuning, aiding ride-height and handling refinement. Designed for coilover-style suspension use, the spring’s consistent response helps ensure repeatable setup results for performance driving applications.

AST Linear Race Springs - 140mm Length x 380 N/mm Rate x 61mm ID - Single