S&S Cycle 31-6307 S&S Cycle Oil HVHP Oil Pump for Big Twin

• High Volume, High Pressure oil pump is more efficient than previous models• HVHP can deliver up to 38% more oil and return up to 61% more oil• Maintains oil pressure between 10psi and 35psi under most conditions• During extreme conditions oil flow will contiue to both the top and bottom ends• Utilizes the same driveshaft and drive gears as the older models and easily installs on any Evo style motor• Universal cover pump uses 1984-91 bolt pattern and various oil line hook-ups for more builder flexibility