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Made in USA
12-847 Billet Adjustable Regulator
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-12-847

12-847 Billet Adjustable Regulator

$29995
3 left in stock
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Dominator Series Regulators
    Billet Adjustable Regulator
  • Carbureted Applications
  • Bypass Style
  • Adjustable 4.5-9PSI
  • (1) -10AN O-Ring Inlet, (1) -10AN O-Ring Outlets, (1) -8AN O-Ring Return

  • Used in systems with a return line back to tank
  • Designed for use with the Holley® DominatorT in-line fuel pumps or other high pressure pumps where return line is needed
  • Adjustable from 4.5-9 PSI for precise fuel pressure adjustments

    • Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    Precision-Built Fuel Pressure Regulators For EFI and Carburetors

    Holley Billet Fuel Pressure Regulators are available in a variety of configurations and engineered to provide smooth and stable fuel pressure delivery under any conditions from idle to full throttle. Each precision-machined, 6061-T6 billet aluminum regulator features an anodized body and top for corrosion resistance and durable performance.

Part TypeFuel Pressure Regulator
Product LineHolley Billet Fuel Pressure Regulators
BrandHOLLEY
Package Height3.0
Package Width5.3
Package Length5.3
Weight1.28 PG
Part CategoryPerformance Parts
Regulator FinishBlack/Clear anodized
Outlet Size-10 AN O-ring
Inlet Size-10 AN O-ring
Regulator MaterialBillet aluminum
Outlet QuantityOne
QuantitySold individually
Boost/Vacuum Reference PortNo
RebuildableNo
Mounting Bracket IncludedYes
Gauge PortYes
Return Fitting Size-8 AN O-ring
Regulator LocationInline
Fittings IncludedNo
Inlet QuantityOne
Pressure Range (Psi)4.5-9
Part FitmentUniversal
Regulator StyleReturn
Vendor Part Number12-847
Package Qty1
Package TypeEA
No Questions
No Reviews
Please click here to download the instructions PDF file

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AN Port Adapter Fitting -8 AN port (3/4 in.-16 Thread) to -10 AN hose

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AN Port Adapter Fitting -10 AN port (7/8 in.-14 Thread) to -6 AN hose

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AN Port Adapter Fitting -10 AN port (7/8 in.-14 Thread) to -8 AN hose

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AN Port Adapter Fitting -10 AN port (7/8 in.-14 Thread) to -8 AN hose

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AN Port Adapter Fitting [-10 AN Port (7/8 in.-14 Thread) to -10 AN Hose]

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AN Port Adapter Fitting -10 AN port (7/8 in.-14 Thread) to -12 AN hose

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AN Port Adapter Fitting -10 AN port (7/8 in.-14 Thread) to -12 AN hose

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Some parts are not legal for use in California or other states with similar laws / regulations
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