These Associated factory replacement 13mm front shock springs are rated at 4.0lb/in and feature a red color coding for quick spring rate identification. Spec markings indicate a 44mm length, 6.25 turns, and 1.2mm wire diameter. Sold as a pair, they are designed for the Associated RC-10 B-series platform. The red stripe provides a clear visual reference when sorting springs across multiple rate options. Features: 4.0lb/in spring rate 13mm diameter front springs 44mm length, 6.25 turns, 1.2mm wire diameter Red color coded for easy rate identification Sold as a pair 7/7/26 cs