Description: 100% brand new, Never been tried or installed. Professional Installation is Highly Recommended Water Pump Pulley: PULLEY STYLE - V-Belt PULLEY DESIGN - Plain GROOVE QUANTITY - 2 WATER PUMP STYLE - Short WATER PUMP SHAFT - 5/8" BOLT HOLE QUANTITY - 4 PULLEY MATERIAL - Steel OUTSIDE DIAMETER - 6.250" UNDER DRIVE - No OVERDRIVE - No NOSE COVER - Not Included HARDWARE - Not Included Crankshaft Pulley: .