Holley Performance Products is proud to announce that HP and Dominator fuel pumps and components have been approved for use with gasoline, diesel, and now E85. The pump family has passed the 1,000-hour heated E85 testing cycle to insure their durability with this fuel. Matching HP and Dominator fuel pressure regulators use a diaphragm material compatible with gasoline, diesel, alcohol and E85. The O-rings in the filters are Viton and are safe for use with all the fuels above as well. For more information contact Holley Tech Service, 1801 Russellville Road, Bowling Green, KY 42101. Telephone 270-781-9741. For nearest dealer: 1-800-HOLLEY-1. Or visit them on the web at www.holley.com. Affected Part Numbers:
Pumps

12-700 HP Pump 700-900 horsepower
12-890 HP Pump 900-1050 horsepower
12-1400 Dominator Pump 1400-1830 horsepower
12-1800 Dominator Pump 1800-2100 horsepower Filters

162-550 100 GPH HP™ Billet Fuel filter – 10 micron (3/8" NPT)
162-562 100 GPH HP Billet Fuel filter – 40 micron (3/8" NPT)
162-554 175 GPH HP Billet Fuel filter - 10 micron (-8AN)
162-555 175 GPH HP Billet Fuel filter - 40 micron (-8AN
162-564 175 GPH HP Billet Fuel filter - 100 micron (-8AN)
162-552 175 GPH HP™ Billet Fuel filter - 10 micron (3/8" NPT)
162-563 175 GPH HP Billet Fuel filter - 40 micron (3/8" NPT)
162-553 175 GPH HP Billet Fuel filter - 100 micron (3/8" NPT)
162-570 260 GPH HP Billet Fuel filter - 10 micron (-12AN)
162-571 260 GPH HP Billet Fuel filter - 40 micron (-12AN)
162-572 260 GPH HP Billet Fuel filter - 100 micron (-12AN) Regulators

12-840 HP™ Billet Fuel Pressure Regulator, Carbureted (4.5–9PSI); 3/8 NTP Ports
12-841 HP™ Billet Fuel Pressure Regulator, Carbureted Bypass Style (4.5-9PSI); 3/8 NPT
12-842 HP™ Billet Fuel Pressure Regulator, Carbureted Bypass w/ idle bleed (4.5-9PSI); 3/8 NPT ports
12-843 HP™ Billet Fuel Pressure Regulator, Carbureted (4.5-9PSI); (1) -10 AN O-ring inlet, (2) -8 AN O-ring outlets
12-845 HP™ Billet Fuel Pressure Regulator, Carbureted Bypass Style (4.5-9PSI); (1) -8 AN O-ring inlet, (1) -8 AN O-ring outlet, (1) -6 AN O-ring return
12-846 HP™ Billet Fuel Pressure Regulator, EFI Bypass Style (40-70PSI); (1) -8 AN O-ring inlet, (1) -8 AN O-ring outlet, (1) -6 AN O-ring return
12-847 Dominator™ Billet Fuel Pressure Regulator, Carbureted Bypass Style (4.5-9PSI); (1) -10 AN O-ring inlet, (1) -10 AN O-ring outlet, (1) -8 AN O-ring return
12-848 Dominator™ Billet Fuel Pressure Regulator, EFI Bypass Style (40-70PSI); (1) -10 AN O-ring inlet, (1) -10 AN O-ring outlet, (1) -8 AN O-ring