GM Aluminium Alternator Fan And Pulley Set SBC BBC Chev Olds Pontiac Cadillac 5 Different Sounds – 3

5 Different Sounds – 3 Electronic Sirens and 2 Air Horns

5 red plastic high impact trumpets that won’t rust or dent

collector outlet is 2-1/2”

Anti Rattle Slats

1⅛” bore

GM Aluminium Alternator Fan And Pulley Set SBC BBC Chev Olds Pontiac Cadillac 5 Different Sounds – 3Fits all GM alternators (Chevy, Pontiac, Buick, Oldsmobile and Cadillac) including stock alternators as well as aftermarket 1 and 3 wire alternators For use on GM engines including 283, 305, 327, 350, 400, 396, 427, 454, 500, 502, 572, 326, 455, 389, 403 as well as V6 engines or motors of US origin. Alternator fan diameter is 5 1 4 and is satin aluminium Pulley diameter is 2 11 16 and is machined from billet aluminium and polished We also have water