AST astAST-140-60-61

The AST linear race spring is a single 140mm coilover spring with a 60 N/mm rate and a 61mm inner diameter. Its linear design preserves a steady spring rate across travel, helping tuners achieve predictable handling and controlled ride height on coilover setups. Sold individually, this AST Linear Race spring is intended for precise suspension adjustment and reliable corner-weighting during setup.

AST Linear Race Springs - 140mm Length x 60 N/mm Rate x 61mm ID - Single