These Associated factory replacement 16mm rear shock springs are rated at 3.60 lb/in with an 83mm length, 10.0 turns, and 1.5mm wire diameter, designed for Associated 1:8 buggy platforms. The green color coding makes it easy to identify spring rate at a glance when tuning your suspension setup. Sold as a pair of metal springs. Features: 3.60 lb/in spring rate 83mm length, 10.0 turns, 1.5mm wire diameter 16mm diameter rear springs Green color-coded for quick rate identification Sold as a pair 7/7/26 cs