The Turbo Tuff Pistons are made of 2618 high strength material with a 2.250 x .250" wall measurement. Included is a 9310 alloy pin. Each piston has a moly coated skirt, pressure balance groove, and vertical gas ports designed for high horsepower race engines. They include premium steel top rings with napier seconds and round wire locks and are recommended to have a .0035" piston clearance. The Turbo Tuff pistons will accommodate +1mm valve sizes. Set of 6.
