This is a vintage NOS double roller timing chain and gear set which is correct for all 260 and 289 Ford engines for the years of 1962 1963 1964 and all 1965 260 and 289 engines built before March of 1965.   Fits all the previous listed applications except will not fit the HIPO 289 engine.  This is a vintage NOS super high quality high performance timing chain and gears set.  Comes in original box with complete instructions.   A super high quality vintage high performance and racing part.  No import repro crap here!