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IF the 65 had a 289 put into it w/ a C4........the drive shaft should be a direct fit for either car.someone might have just used it.Hi, My name is Greg Hord in Concord,N>C> and I recently bought a 1965 pony car and the driveshaft was removed from the car and wrapped in plastic. I sent it to a friend to replace the u-joints and the driveshaft had 67 wrote on it with chalk.I was wondering if a 67 driveshaft will bolt up to the 65 if it is indeed a 67 driveshaft. I failed to test fit it because it was wrapped in plastic and sent it off before I could check. I assume it is a 65 because the car is a 65 but really have no way of knowing without it in my hands. Just a dumb question from a Mustang rookie.My cars of choice are pre-1967 V.W.'s, just thought I would try this old hot rod out because I have always wanted one.If you know the answer to my question, drop me a line. Thanks, Greg:scratchchin