This is a Spring Assortment Pack for the Big Bore Scaler Shocks. Do you want softer or firmer springs for your Pro-Line Big Bore Scaler Shocks? Then you came to the right place! This Spring Assortment pack includes a pair of Blue Dual-Rate Springs that are softer than stock and a pair of Red Dual-Rate Springs that are firmer than stock. Dial in your Big Bore Scaler Shocks with this Spring Assortment pack today!