AST astAST-140-140-61

The AST Linear Race Spring is a single 140 mm suspension spring with a linear 140 N/mm rate and a 61 mm inner diameter. It delivers reliable linear compression for accurate spring-rate tuning and predictable handling changes. Suited to coilover-style applications, the spring supports consistent ride-height adjustments and repeatable suspension behavior for performance and track-focused setups.

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