Holley 12-879 Fuel Pressure Regulator 4-65 PSI 3/8 Inch NPT

#42512879

Holley 12-879 Fuel Pressure Regulator 4-65 PSI 3/8 Inch NPT

Name: Holley 12-879 Fuel Pressure Regulator 4-65 PSI 3/8 Inch NPT
Brand: Holley
SKU: 42512879
Price: 207.95 USD
Availability: InStock
Rating: 4.5 (2 reviews)

2 Reviews

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The 4-15 psi carbureted spring comes installed in the regulator
Includes fitting for manifold reference and an 1/8 NPT gauge port
Designed to be used in systems with a return line back to the tank

$207.95

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Product Summary

Universal Fit, 4-65 Fuel Pressure Rating (psi)

The 4-15 psi carbureted spring comes installed in the regulator
Includes fitting for manifold reference and an 1/8 NPT gauge port
Designed to be used in systems with a return line back to the tank
It is adjustable from 4-65 psi for precise fuel pressure adjustments
Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks

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Key Specs

MFG. Part #	12-879
Brand	Holley
Regulator Style	Bypass Return Style
Material Type	Billet Aluminum

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Holley 12-879 Details

Holley Billet Fuel Pressure Regulators are just part of the complete line of fuel system products that Holley offers. This regulator is constructed from 6061-T6 billet aluminum for strength and durability. Adjustable from 4-65 psi and will handle both carbureted and EFI applications. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, this regulator will have you covered either way.
Features:

Adjustable from 4-65 psi for precise fuel pressure adjustments
Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks
Used in systems with a return line back to the tank
(1) 3/8” NPT Inlet; (1) 3/8” NPT Outlet; and (1) 3/8” NPT Return Port
Includes fitting for manifold reference
Includes an 1/8 NPT gauge port
Boost Reference - 1:1

Features

Adjustable from 4-65 psi for precise fuel pressure adjustments
Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks
Used in systems with a return line back to the tank
(1) 3/8” NPT Inlet; (1) 3/8” NPT Outlet; and (1) 3/8” NPT Return Port
Includes fitting for manifold reference
Includes an 1/8 NPT gauge port
Boost Reference - 1:1
The 4-15 psi carbureted spring comes installed in the regulator

Charts

Installation Instructions (PDF)

Guides & Documents

Fuel Pressure Regulators Installation Instructions (42512879)

Holley 12-879 Specifications

KEY SPECS
MFG. Part #	12-879
Brand	Holley
Regulator Style	Bypass Return Style
Material Type	Billet Aluminum

GENERAL
Fuel Pressure Rating (psi)	4-65
Sold in Quantity	Each
GTIN Code	090127734971

Ratings & Reviews

4.5

2 Reviews

Overall Assessment

Customers highly recommend our fuel regulator for its undeniable quality and practicality. Specially highlighted is its superior performance in high-demand environments, like drag racing, which sets it apart from competitors. Users noted its easy installation process and the remarkable difference it made in their vehicles, demonstrating the product's excellent usability. There are ongoing recommendations due to its top-notch material quality that ensures safety and performance, evidenced in classic cars like a 1990 Mustang 5.0. Overall, the product is perceived as a reliable choice for enhancing vehicle performance.

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4.5

2 reviews

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Have not installed yet

4.0

a year ago

Dmp

Clinton Md.

Verified

Needed a fuel regulator and this was recommended

Would Recommend

I would buy this product again

5.0

4 years ago

Doug

Iowa

Verified

I installed this in my 1990 mustang 5.0 drag racing car.

Would Recommend

Showing 2 of 2 reviews

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