From a 70 Buick 350 I think this also fits for the 68-70 model years-- cast aluminum alternator bracket and long through bolt-These often get seized up -- for non air conditiong cars. Real GM parts-- bead blsted and clearcoated. $75 shipped from CT 06410. email ros6872@hotmail.com or call 203-651-9990. I have lots of nice 68-72 parts-- please contact me with needs. www.ros6872parts.com Thanks for looking!