New Casting Performance Aluminum Head, 70cc/185cc, 2.02/1.60 Valves, Hyd. Roller Springs .600 Max Lift. Our head outflows most heads in its class while keeping costs down. This is a 100% AMERICAN Cast, Machined and Assembled Head. Product Features:No core heads sold outright & shipped in HD cardboard box Sold as singles must be utilized in same pairs
