{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": true,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": true,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": true,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": true,
    "zipPaymentFlag": "c",
    "hassleFreeReturn": true,
    "lifetimeReplacement": true,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle
Universal Fit Add Vehicle

Holley®
12-803 Carburetor Bypass Style Fuel Pressure Regulator, 4.5-9 psi, Chrome, Gas, Non-Return, Sold Individually

Tap image and pinch to zoom.
$51.87
OR
Manufacturer #12-803
Universal Fit Add Vehicle
Qty:
1

Highlights

Part:
Fuel Pressure Regulator
Brand:
Holley
Notes:
Preset to 7 PSI; Inline; Does not include fittings; Designed only for carburetor use
Emissions:
46-State Legal (Cannot ship to CA, CO, NY or ME)
Series:
Carburetor Bypass Style Series
Recommended Use:
Performance
Product Fit:
Universal
Includes:
Mounting Bracket
Quantity Sold:
Sold individually
Warranty:
90-day Holley limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Adjustment Range:
4.5-9 psi
Color Finish:
Chrome
Condition:
New
Gauge Port:
No
Inlet Quantity:
Single
Inlet Size:
3/8 in. NPT
Inlet Type:
Female threads
Material:
Aluminum
Outlet Quantity:
Dual
Outlet Size:
3/8 in. NPT
Outlet Type:
Female threads

Product Information

HOLLEY FUEL PRESSURE REGULATORS

  • Available as universal-fit or direct, bolt-on replacement
  • Premium aluminum construction for ideal weight and superior durability
  • Facilitates precise control of fuel pressure from fuel pump to carburetor
  • Optimally adjusts flow to meet your carburetor’s fuel pressure requirements
  • Offered in wide variety of sizes, styles and configurations

Prevent stalling, flooding and other drivability problems by making sure your carbs are getting the right amount of fuel pressure with Holley’s fuel pressure regulators. With over 100 years of experience, Holley is one of the most recognized names in fuel delivery systems and their carburetors have powered every NASCAR Sprint Cup team for over four decades.

See product for application and installation details.
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Customer Reviews