AST astAST-140-50-61

The AST linear race spring is a single 140mm coilover spring with a 50 N/mm rate and a 61mm inner diameter. Its linear profile maintains a consistent spring rate through travel, offering predictable handling and ride-height control for coilover-equipped vehicles. Supplied individually as part of AST’s Linear Race range, it’s suitable for tuners seeking refined suspension balance and accurate corner-weighting.

AST Linear Race Springs - 140mm Length x 50 N/mm Rate x 61mm ID - Single