moroso belt, radius tooth, 640-8m-10

Radius Tooth Belt 25.2 x 1/2 (640 x 12.7), 80 Teeth, Fits: Radius Tooth Pulleys with 8mm Pitch Thin Series Belts for Moroso Vacuum Pump and Alternator Pulleys Fits 1/2 wide for greater pulleys Strong and lightweight with less belt stretch Provides lower tension with positive engagement and no slippage