DRC Rear Shock Bleed Cup D59-37-15X F8163 Titanium Gold DRC Gold DRC rear shock bleed cup F8163. See if it fits your bike. Gas Gas EC 250 Gas Gas EC 250 F Gas Gas EC 300 Gas Gas EC 350 F Gas Gas EX 250 F Gas Gas EX 300 Gas Gas EX 350 F Gas Gas EX 450 F Gas Gas GP 250 Gas Gas GP 300 Gas Gas MC 125 Gas Gas MC 150