This cooling fan came off a 1975 Pontiac 400 motor out of a Trans-am, but it should fit most 400's from 70 to 81. It was sandblasted and primed with a coat of spray paint to prevent rust. It has a strait and flat base and all fins are in great shape. It's a good item for a daily driver. There is no clutch included. Please do you research before buying. Thanks!