Moroso Chevrolet Big Block High Volume Billet Aluminum Oil Pump - 22163

Features

• 6061-T6 billet housing with 3 times larger mounting boss area to prevent breaking
• Weighs 1 lb. less than stock oil pump with pickup
• Inlet area is increased to prevent cavitation
• Thrust bearing assembly increases housing and gear life due to drive shaft axial forces on the drive gear
• Pump will clear 4-3/4" stroke with most steel rods
• Engineered to fit 8" deep oil pans
• Patent No. 5,810,571