130 GPH Mechanical Fuel Pump HO12-454-13 Akerly & Childs a combination of both such

a combination of both such as Channel 1 values displayed on the radial band and Channel 2 values reading out as a digital number in the center of the gauge

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130 GPH Mechanical Fuel Pump HO12-454-13 Akerly & Childs a combination of both such130 GPH Mechanical Fuel PumpSuit BB Chev HO12 454 13 12 454 13 High Output Fuel Flow Flows 130+ GPH Free Flow Shut off Pressure Pre set from 7. 5 to 9 PSI Fuel Pressure Regulator is Required (Recommend Holley p n 12 704) Heavy Duty Construction For Continuous High RPM Operation Redesigned High Flow Valves Always Ensure Adequate Fuel Delivery Fuel Body Casting Can Be Rotated to Accommodate Various Plumbing Situations Inlet & Outlet Tapped For 3 8" NPT