Big Block Chrysler Street/Strip forged Diamond Pistons are designed to fit most Mopar OEM open and closed chamber heads. Can be used with small nitrous application kits. Ratios are configured for .009" -.025" deck height @ 9.980". Standard 1/16" x 1/16" x 3/16" ring package (Rings not Included). Premium 8620 wrist pins are included. Gasket volume= 9.9cc, Top ring down from piston crown .240", Max valve diameter 2.140" intake and 1.850" exhaust valves. Valve relief depths .197" intake and .163" exhaust.
