Mopar 440 Six Pack Wrist Pin Size and Pistons: Length and Diameter
The 440 Six Pack or Six Barrel piston and wrist pin sizes are often asked. Let’s answer, what size pistons and wrist pins are in a 440 Six Pack engine? The 440 Six Pack/6-BBL pistons are made to fit a 4.320″ engine bore size. The wrist pin is 1.0935″-1.0937″ diameter and 3.555″-3.575″ long. Continue reading…