AST astAST-140-320-61

The AST Linear Race Spring is a single 140 mm suspension spring with a linear 320 N/mm rate and a 61 mm inner diameter. It supplies steady linear compression for precise spring-rate control and refined handling adjustments. Suited to coilover-style setups, the spring’s consistent response aids repeatable tuning, making setup changes predictable for performance-oriented driving.

AST Linear Race Springs - 140mm Length x 320 N/mm Rate x 61mm ID - Single