This is a set of replacement HPI 13x57x1.1mm Shock Springs, and are intended for use with the HPI Firestorm family of vehicles. These hard springs feature 11 Coils, and a 3.3lb rate. Tune your Firestorm for on-track racing performance! These tuning springs allow you to get exactly the performance you need, and are perfectly matched for the Firestorm 10T.
This product was added to our catalog on May 14, 2018