Single PistonFits Chrysler Dodge 5.2L 318 Flat TopSize = .020 OversizedBore Diameter (STD)AlloyTop Ring2nd RingOil RingPin DiameterCompression Height99.31mm (3.910in)Standard5/64in5/64in3/16in0.98421.741Need Rings? To check our inventory, please Click Here for Cast or Click Here for Chrome