2618 high strength material; Lightweight design with offset wrist pin for quiet start-ups9310 alloy .210" wall pin (Extreme Duty Series) included P/N 42548Pressure balance grooveWill accommodate +1mm valve sizesPremium Steel top ring sets and round wire locks includedRecommended piston clearance .0030" measured 1.100" from the bottom of the oil ringPiston rings included P/N 46880-4
