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The AST Helper Spring is a set of two auxiliary springs measuring 70mm long with a 50 N/mm rate and a 64mm inner diameter. Supplied as a matched pair, these helper springs suit coilover assemblies requiring a 64mm ID. The 70mm length and 50 N/mm rate provide firmer auxiliary support for consistent suspension assistance when paired across an axle.
AST Helper Springs - 70mm Length x 50 N/mm Rate x 64mm ID - Set of 2
