AST Linear Race Springs 180mm Length 100 N/mm Rate 61mm ID

AST Linear Race Spring — 180mm, 100 N/mm, 61mm ID AST Linear Race Springs deliver precision performance for suspension and testing applications. This single spring combines compact dimensions with high spring rate for consistent, repeatable behavior under load. Length: 180 mm — ideal for tight-fit assemblies and race setups Rate: 100 N/mm — high stiffness for responsive handling and minimal deflection Inner Diameter (ID): 61 mm — fits common shafts and housings used in motorsport and industrial rigs Design: Linear coil form for predictable, linear force-deflection characteristics Use cases: Suspension calibration, damper testing, motorsport shock builds, and bespoke engineering projects Manufactured to tight tolerances, AST race springs provide reliable performance lap after lap. Choose this 180mm x 100 N/mm x 61mm ID spring when you need a compact, high-rate solution with excellent durability and consistent spring curve.