ARC 6256 (+.020) long Billet Rod for the Harbor Freight Predator. It is one of our Pro Series Rods, featuring ARC's trademark forced oil dipper. CNC machined from aircraft grade 7075-T651 aluminum. Key features include an oil groove in the crank bore that is fed though a channel in the integrated dipper and an oil groove in the wrist pin bore that provides a reservoir of lubricant of the wrist pin. Bearing and high strength ARP rod bolts are included.