#6843 - PRO LINEAR SPRING 13x27mm (YELLOW 227g/mm) Discontinued Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility.
#6831-01 SHOCK SPRING 13x25x1.7mm 7 COILS (BLACK/2pcs)
#6831 SHOCK SPRING 13.9X27X1.6MM/6.75 COILS (BLACK/2pcs)