Replacement serpentine pulley belt set for Ammco brake lathes. Replaces the Ammco 940175 pulley kit.  Fits  Ammco 4000 4100 3000 7000  Brake.  Does not fit 3850 3860 1000 2000 lathes. kit contains, upper pulley 3/4 center hole. lower motor pulley 5/8 center hole. 1, 6 rib 20 in drive belt, set screws and drive pin. High Quality kit. Buy with confidence we have installed hundreds of these kits in our over 25 years in the automotive equipment repair business.   BE AWARE OF OTHER PULLEY KITS SOLD ON EBAY WITH INCORRECTLY GROUND LOWER PULLEYS. OURS ARE CORRECT