Product description
Check this gear for wear when you overhaul your engine. It performs a very important job, and takes a heck of a beating! Available in standard size or oversize if your gear on the camshaft has a lot of wear. The .004 oversize has teeth that are .004" wider than the stock teeth, .010" oversize is .010" wider than standard.
OEM: A-6551
Ford 1928-34