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Instruction Sheets for Part Number HLY-12-427
Holley Mighty Mite External Electric Fuel Pump 32 GPH 4-7 PSI 12-427
Part Number: HLY-12-427
Holley Mighty Mite Electric Fuel Pumps
Fuel Pumps, Mighty Mite, Electric, 7 psi, 32 gph Free Flow Rate, 1/8 in. NPT Female Threads Inlet/Outlet, Each
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Estimated Ship Date: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
12-427
Part Type:
Product Line:
Summit Racing Part Number:
HLY-12-427
UPC:
090127687239
Fuel Pump Type:
Electric external
Flow Rate:
32 gph/121 lph
Fuel Pressure (psi):
7 psi
Fuel Pump Voltage:
12 V
Fuel Pressure Regulator Included:
No
Sending Unit Included:
No
Fuel Pump Inlet Size:
1/8 in. NPT
Inlet Quantity:
1
Inlet Attachment:
Female threads
Fuel Pump Outlet Size:
1/8 in. NPT
Outlet Quantity:
1
Outlet Attachment:
Female threads
Gasket Included:
No
Wiring Harness Included:
No
Mounting Bracket Included:
No
Mounting Hardware Included:
Yes
Pulley Included:
No
Remanufactured:
No
Quantity:
Sold individually.
Holley Mighty Mite Electric Fuel Pumps
Holley Mighty Mite electric fuel pumps are small in size, but BIG on performance! They are quiet, easy to install, and work with gas, diesel, blended alcohol, and E85. The pumps use a standard 12 V power source; while a reliable solid-state design provides longer life. Mighty Mites have a simple 2-wire hookup, are self-priming and regulating, and deliver super-quiet operation at only 65 dB! They are 12 in. dry lift capable and great for carbureted trucks, cars, generators, and agricultural equipment. You can also use them as transfer pumps!
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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