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Earls 12848ERL Dominator Billet EFI By-Pass Fuel Pressure Regulator
Earls 12848ERL Dominator Billet EFI By-Pass Fuel Pressure Regulator

Earls 12848ERL Dominator Billet EFI By-Pass Fuel Pressure Regulator

Universal Fit, 15-65 Pressure Range (psi), Return Regulator Style, Rebuildable

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Earls 12848ERL Dominator Billet EFI By-Pass Fuel Pressure Regulator
Earls 12848ERL Dominator Billet EFI By-Pass Fuel Pressure Regulator
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We estimate this item will ship on or before December 18th.
Part # 42512848ERL
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Earls Performance to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


MFG. Part #:
Pressure Range (psi):
Regulator Style:
Sold in Quantity:
Boost/Vacuum Reference Port:
Gauge Port:
Fittings Included:
Inlet Quantity:
Inlet Attachment:
Female Threads
Inlet Size:
-10 AN O-ring
Outlet Quantity:
Outlet Attachment:
Female Threads
Outlet Size:
-10 AN O-ring
Return Attachment:
Female threads
Boost/Vacuum Rise Ratio:
Regulator Location:
Return Fitting Size:
-8 AN O-ring
GTIN Code:
Regulator Material:
Billet aluminum
Regulator Finish:
Black/Clear anodized
Mounting Bracket Included:


HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

Earl's Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Earl's 12848ERL fuel pressure regulator features (1) -10 AN O-ring inlet, (1) -10 AN O-ring outlet, (1) -8 AN O-ring return.

Hot Street/Race EFI Applications Two PortAdjustable from 15 to 65 PSIBoost reference - 1:1

  • Adjustable from 15-65 psi for precise fuel pressure adjustments
  • Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
  • Used in systems with a return line back to tank
  • Use with electric pumps only
  • (1) -10 an o-ring inlet, (1) -10 an o-ring outlet, (1) -8 an o-ring return
  • 1/8" NPT gauge port
  • Designed for use with the Earl's Dominator in-line fuel pumps or other high pressure pumps where return line is needed
  • Mounting bracket included

Installation Instructions

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

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