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Receive 25% Off Your Online or In-Store Purchase. Use promotional code MMJ25 at checkout to receive discount. Not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included will be displayed in product search results and product detail pages. INCLUDES the following categories: Starters, Alternators, Fuel Pumps, Radiators, Shocks & Struts, Chassis, CV Axles, Batteries, Ignition, Window Motors, Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Headlamps and Bulbs. Excludes the following brands: Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner and BBK Performance. Valid online until 2:59 am EST on 5/1/17.

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  • Part #: 12-803|
  • SKU: 9974337

Available tomorrow after 12 p.m.


    • 3/8 in. NPT Ports
    • .220 in. Restriction
Retail
$34.99
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Holley Performance Fuel Pressure Regulator; 4.5-9 psi; Standard; Chrome Finish;

Fuel pressure regulators are used to adjust for fuel pressure requirements of various carburetors. Too much fuel pressure for a given needle and seat assembly may cause flooding or drivability problems. 3/8 inch NPT ports. Allows adjustment of fuel pressure to compensate for high flow fuel pumps.
  • 3/8 in. NPT Ports
  • .220 in. Restriction
  • Incl. Mounting Bracket
  • High Pressure 4.5-9 PSI
  • 3/8" NPT Ports
  • Chrome Finish
  • Not Alcohol Compatible
Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro–Stock champion. Holley's products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies, Hooker Headers, Flowtech Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.

9974337

Holley Performance Fuel Pressure Regulator; 4.5-9 psi; Standard; Chrome Finish; is rated 4.7 out of 5 by 3.
Rated 5 out of 5 by from Needed Regulator for Edelbrock 1406 Running a Holley Fuel mech fuel pump that is pushing 7-9 PSI. New Edelbrock carb can only handle up to 6 PSI. This regulator is an easy install and holds PSI right on. Really nice piece, quality part. Would recommend!!!
Date published: 2016-10-11
Rated 4 out of 5 by from Well Made Nice regulator. Has two outlets if you want to run a double pumper off it. I would have given it 5 stars but I was trying to adjust the pressure down to below 6.5 psi as my Edelbrock Thunder AVS carb calls for but couldn't get it below 7psi. I couldn't see returning it for .5 psi. Nice chrome finish too.
Date published: 2015-10-28
Rated 5 out of 5 by from Works perfectly !!! I installed this regulator to provide 5.0 PSI for my SB350 with a 1450 Edelbrock Carb that prefers 5 instead of the 14 psi my stock pump puts out. This is in a 1951 Chevy show truck so it's gotta be right… I've had it working for over 6 months now and has worked well. It's adjustable and priced well compared to other regulators. My Pepboys speed shop stocks it so it was easy to get.
Date published: 2015-05-14
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