These Associated factory replacement front shock springs are rated at 3.4 lb/in and sized at 13mm diameter, 44mm length, with 7.0 turns and 1.2mm wire diameter. The gray color coding makes it easy to identify the spring rate at a glance when tuning your setup. Sold as a pair, they are a direct fit for Associated RC-10 B-series 1/10 buggy platforms. Features: 3.4 lb/in spring rate 13mm diameter, 44mm length 1.2mm wire diameter, 7.0 turns Gray color-coded for quick rate identification Sold as a pair 7/7/26 cs