The AST linear racing spring is a single 200mm-length coil spring specified at a 100 N/mm rate with a 51mm internal diameter. Offered as a single unit for coilover spring applications, its linear rate and stated dimensions make it suitable as a replacement or tuning spring where 200mm springs are used, giving a predictable, consistent spring rate for ride-height and handling adjustments.
Moton Linear Racing springs 200mm length x100 N/mm Rate x 51mm ID-single