*** IN STOCK SHIPS TODAY *** RBS carries a full line of Waterman 5mm fuel pump drive components. Pulley is .660" wide, made from billet alum., uses a 1.00" bore with a .125" key, two set screws to secure the pulley to the shaft and is anodized for corrosion protection and wear resistance.
Pulleys are designed to be used with .500" wide 5mm belt with flanges to guide the belt, has 28 5mm teeth and designed to be used with a 56 tooth driven pulley to make the fuel pump run at cam speed off the crankshaft.