AST astAST-300-140-61

The AST Linear Race Spring is a single 300mm coil spring with a 140 N/mm linear rate and a 61mm inner diameter. Designed for coilover assemblies, the linear rate provides even spring response to support precise ride and handling setup. The 61mm inner diameter fits standard 61mm spring seats and the single-item supply supports selective replacement or incremental tuning of suspension components.

AST Linear Race Springs - 300mm Length x 140 N/mm Rate x 61mm ID - Single