Thos listingbis for a set six (6) Lycoming LW-11750 connecting rods overhauled by Aircraft Specialties Services in Tulsk Ok . Rods have been measured, surfaced, sized and rebushed. These are from a first run C4B5 model but will work with all current small journal O-540  IO-540 and it's the same rod for most O-360 models. Comes packed with Aircraft Specialties box and Paperwork.