Refrigerated Seawater SystemsParts PRE-2012, 7.5T HYD. DRIVE CIRC. PUMP PULLEY PRE-2012, 7.5T HYD. DRIVE CIRC. PUMP PULLEY,8 Groove Poly V Pulley,PWR-295Features and Additional InfoPARTS AVAILABLE FOR PWR-2955/8″ Taperlock Bushing