Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The AST Helper Spring is a set of two auxiliary springs measuring 100mm long with a 20 N/mm rate and a 64mm inner diameter. Sold in matched pairs, these long helper springs provide light auxiliary support where extended travel and a 64mm ID are required. The 100mm length and gentle 20 N/mm rate suit coilover assemblies needing soft, consistent assistance from auxiliary springs.
AST Helper Springs - 100mm Length x 20 N/mm Rate x 64mm ID - Set of 2
