Holley 12-846 HP Billet EFI by Pass Fuel Pressure Regulator Street/strip EFI Applications Two Port Adjustable from 15 to 65 PSI

Holley 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 Holley 12-846 fuel pressure regulator features(1) -8 An O-ring inlet, (1) -8 An O-ring outlet, (1) -6 An O-ring return.

Features and Benefits:

• 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 Includes fitting for manifold reference Use with electric pumps only (1) -8 an o-ring inlet, (1) -8 an o-ring outlet, (1) -6 an o-ring return 1/8 inch NPT gauge port Designed for use with the Holley Hptm in-line fuel pumps or other high pressure electric pumps where return line is needed Mounting bracket included

Associated Comments:

• Regulator is compatible with Diesel #1 and Diesel #2.

Details:

• Adjustable: Yes
• Color: Black Anodized
• Fuel Type: Diesel | Gasoline
• Fuel System: EFI
• Gauge Port: Yes
• Grade Type: Performance
• Inlet Quantity: 1
• Inlet Size: 8 An O-Ring
• Inlet Type: 8 An Orb
• Material: Aluminum
• Mounting Hardware Included: Yes
• Mounting Type: Inline
• Outlet Quantity: 1
• Outlet Size: 8 An O-Ring
• Outlet Type: 8 An Orb
• Port Quantity: 3.0
• Pressure Range: 15-65 PSI
• Return Size: 6 An O-Ring
• Style: Bypass
• Warranty: Manufacturer's Limited 90 Day Warranty

Installation Guide: Download PDF

Installation / Product Video: Watch on YouTube

⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.