AST linear-rate coilover spring in a 250mm length with a 120 N/mm rate and 61mm inner diameter, sold singly for suspension tuning. Its linear characteristic provides uniform spring force through travel for predictable handling and easier cornering balance. Choose this single spring when your coilover assembly accepts a 61mm ID and calls for a 120 N/mm rate.
AST Linear Race Springs - 250mm Length x 120 N/mm Rate x 61mm ID - Single