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12-704 | 4.5-9PSI FUEL PRESS REGclose
Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holle..
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12-707 | FUEL PRESSURE REG.(80494)close
Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holle..
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12-803 | REG, FUEL PRESSURE 4.5-9 PSI M/Pclose
Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holle..
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12-851 | 2-PORT VR SERIES EFI REGULATOR (40-100 Pclose
The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel pump systems product line. These regulators can support 3000+ horsepower engines that require high volumes of fuel flow. Both EFI and carbureted versions can be referenced on a 1:1 ratio. They are precision machined from 6061-T6 billet aluminum for strength and durability and feature a black brig..
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12-852 | 2-PORT VR SERIES REGULATOR (4-9 PSI)close
The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel pump systems product line. These regulators can support 3000+ horsepower engines that require high volumes of fuel flow. Both EFI and carbureted versions can be referenced on a 1:1 ratio. They are precision machined from 6061-T6 billet aluminum for strength and durability and feature a black brig..
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12-864 | 4-PORT VR SERIES EFI REGULATOR (40-100 Pclose
The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel systems product line. These regulators can support 3000+ horsepower engines that require high volumes of fuel flow. Both EFI and carbureted versions can be referenced on a 1:1 ratio. They are precision machined from 6061-T6 billet aluminum for strength and durability and feature a black bright di..
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12-865 | 4-PORT VR SERIES REGULATOR (4-9 PSI)close
The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel systems product line. These regulators can support 3000+ horsepower engines that require high volumes of fuel flow. Both EFI and carbureted versions can be referenced on a 1:1 ratio. They are precision machined from 6061-T6 billet aluminum for strength and durability and feature a black bright di..
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12-883 | 2-PORT VR SERIES REG, 10AN, DBL ADJ (4-9close
Holley's new double adjustable fuel pressure regulators are designed for belt or cable driven pumps where fuel flow changes with engine rpm. These regulators are compatible with E85 and alcohol applications. Made from billet aluminum, these regulators are offered in both 2-Port and 4-Port models to complete your fuel system requirements. The idle adjustment design is strategically placed so that n..
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12-884 | 2-PORT VR SERIES REG, 8AN, DBL ADJ (4-9 close
Holley's new double adjustable fuel pressure regulators are designed for belt or cable driven pumps where fuel flow changes with engine rpm. These regulators are compatible with E85 and alcohol applications. Made from billet aluminum, these regulators are offered in both 2-Port and 4-Port models to complete your fuel system requirements. The idle adjustment design is strategically placed so that n..
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12-885 | 4-PORT VR SERIES REG, 8AN, DBL ADJ (4-9 close
Holley's new double adjustable fuel pressure regulators are designed for belt or cable driven pumps where fuel flow changes with engine rpm. These regulators are compatible with E85 and alcohol applications. Made from billet aluminum, these regulators are offered in both 2-Port and 4-Port models to complete your fuel system requirements. The idle adjustment design is strategically placed so that n..
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12-889 | FILTER/REG AY (8 AN, 175 GPH)close
When converting your fuel system to a return style EFI setup, the biggest challenge can be plumbing the fuel lines. Holley continues to be the leader in fuel system development to make your life easier! The new Holley EFI Filter Regulator assembly simplifies your installation by combining the fuel filter and regulator in one assembly that can be mounted in the rear of the vehicle. Thus making your..
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14250NOS | AIR REGULATOR/FILTERclose
The NOS Refill Station is designed for performance retailers in the business of refilling nitrous bottles for racers who use a substantial amount of nitrous oxide. It's safe, easy, and quick; taking only a minute or two to accomplish. Gone are the days of freezing the receiving bottle overnight in order to get a full bottle the next day. The Refill Station comes complete with all the plumbing, hos..
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14254NOS | REFILL STATION w/SCALE & REGclose
The NOS refill station is designed for performance retailers in the business of refilling nitrous bottles or racers who use a substantial amount of nitrous oxide. It is safe, easy, and quick; taking only a minute or two to accomplish. Gone are the days of freezing the receiving bottle overnight in order to get a full bottle the next day. With the included regulator/water separator and Legal for Tr..
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151100 | VOLT REG.BKTclose
ACCEL Motorcycle universal mounting bracket lets you install electronic regulators on early model bikes and custom frames for improved charging performance. Made in U.S.A. BrandACCEL MotorcycleEmission Code5Product TypeMotorcycleWeight0.3100Part Number151100..
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15855NOS | CO2 REGULATOR BODY-SINGLEclose
100 psi CO2 Regulator. Made from 6061 Aluminum.Features:Work Well With Air Shifters100PSI OutletMade from 6061 AluminumBrandNOSColorBlueEmission Code4Inlet1/8NPTMax Pressure100psiOutlet1/8NPTProduct TypeShifters Components and AccessoriesPart Number15855NOS..
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15860NOS | CO2 REGULATOR ONE IN/2 OUTclose
Single In - Dual Out CO2 Regulator 125PSI Outlet. Made from 6061 Aluminum.Features:Single In - Dual Out CO2 Regulator125PSI OutletUse With Air ShifterBrandNOSColorBlueEmission Code4Inlet1/8NPTMax Pressure125psiOutletDual 1/8NPTProduct TypeShifters Components and AccessoriesPart Number15860NOS..
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$175.95More detailed
1727 | FUEL PRESSURE REGULATOR, 160 GPHclose
EDE-1727 Edelbrock fuel pressure regulators are machined from aircraft-quality aluminum for those who demand the best. These regulators feature fluorosilicone diaphragm material for extended life and high-temperature protection. They are compatible with all grades of gasoline/methanol. Edelbrock - EDE-1727..
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$65.95More detailed
1789 | FUEL REGULATOR 1-4 PSI CHROMEclose
EDE-1789 Edelbrock fuel pressure regulators are machined from aircraft-quality aluminum for those who demand the best. These regulators feature fluorosilicone diaphragm material for extended life and high-temperature protection. They are compatible with all grades of gasoline/methanol. Edelbrock - EDE-1789..
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20-120 | BRACKET - BILLET REGULATORclose
Black anodized, billet aluminum bracket that conveniently mounts a 12-803, 12-804, or 12-803BP fuel pressure regulator utilizing the passenger side carb studs on any 4150 / 4160 style carburetor.Features:Black anodized billet constructionUniversal design fits Holley and competitors 4150/4160 style carburetorsSimplifies mounting Holley fuel pressure regulatorsIncluded hardware for easy installation..
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20-259 | CLEAR FUEL REGUL BRKT FITS 4150 CARB & close
Clear anodized, billet aluminum bracket that conveniently mounts a 12-803, 12-804, or 12-803BP as well as the billet 12-84x series fuel pressure regulator utilizing the passenger side carb studs on any 4150 / 4160 style carburetor.Features:Clear anodized billet constructionUniversal design fits Holley and competitors 4150/4160 style carburetorsSimplifies mounting Holley fuel pressure regulatorsInc..
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