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The AST linear race spring is a single coil spring sized at 180mm length with a 100 N/mm rate and a 61mm inner diameter. Its linear rate gives a consistent compression profile suitable for race-focused suspension tuning and it’s supplied individually for selective corner setup. Verify the 180mm length, 100 N/mm rate and 61mm ID match your application before ordering to ensure correct fitment.
AST Linear Race Springs - 180mm Length x 100 N/mm Rate x 61mm ID - Single
