Shock Springs: 40mm 4.7N/mm (27lbf/In) (2) (ARA330632)

40mm Shock Springs, 4.7 N/mm (27 lb/in) — pack of two, designed to tune the suspension on compatible RC vehicles. This two-spring set lets you adjust handling quickly by changing the stiffness of the shocks.

Made from precision spring steel for consistent performance and long-lasting durability, these 40mm springs provide a precise 4.7 N/mm (27 lb/in) feel. The 40mm length fits typical 40mm shock assemblies, helping to deliver stable, predictable handling and tailored ride characteristics with an easy swap.