Fan Blade: 19.5" 7 blade w/ Large Hole hub ('71-'79) commonly used self thread tapping

commonly used self thread tapping speed nuts

engine cleanup and detail & body repairs in the many common areas

This is inside the cap of many of the various steering wheel horn caps GM brought out from around 77 on

Fuel pump Small Block Chev  V8:

CUTLASS SUPREME(7) 1968-1972

Fan Blade: 19.5" 7 blade <b>w/ Large </b>Hole hub</> ('71-'79) commonly used self thread tappingMainly used on bigger V8 HD GM vehicles and commercials in the 70's. Typical more common use in 72 78 El Camino, Chevelle, Monte, GM c10 C30 heavy duty along with many motor homes and GMs.. really gotta match what your got.. IF.. IF what you have was really original. 4 bolt, large center 2. 5 inch.. thats about 64mm 19. 5 inch OD. which is a migen under 50cm. Be carefull with the OD as many fans also only take up to 19" or less.. fitting a 19. 5"