Piston Set of 6Fits Amc Jeep 3.8L 232 4.2L 258 Dish TopSize = .030 OversizedBore Diameter (STD)AlloyTop Ring2nd RingOil RingPin DiameterCompression Height95.25mm (3.750in)Standard5/64in5/64in3/16in0.93101.581Need Rings? Please check our store for available inventory by clicking here