{"product_id":"hol-12-803bp","title":"REGULATOR,BYPASS,4.5-9 PSI","description":"\u003cp\u003e\u003cb\u003e\u003cu\u003eCARBURETED BYPASS FUEL PRESSURE REGULATOR, STREET\/STRIP CARBURETED APPLICATIONS, TWO PORT, ADJUSTABLE FROM 4.5 TO 9 PSI\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e  \u003cp\u003eHOLLEY FUEL PRESSURE REGULATORS ARE DESIGNED TO PRECISELY CONTROL THE FUEL PRESSURE FROM THE FUEL PUMP TO THE CARBURETOR. TOO MUCH FUEL PRESSURE FOR A GIVEN NEEDLE AND SEAT ASSEMBLY CAN OVERLOAD THE NEEDLE AND SEAT AND MAY CAUSE FLOODING OR DRIVABILITY PROBLEMS. EACH HOLLEY FUEL PRESSURE REGULATOR IS FULLY ADJUSTABLE SO REGULATING THE FUEL PRESSURE TO YOUR ENGINES NEEDS IS A SIMPLE TASK. ALL HOLLEY REGULATORS ARE PRE-SET AT THE FACTORY SO THERE IS NO GUESSWORK WHEN FIRST INSTALLING THE REGULATOR. THE HOLLEY 12-803BP FUEL PRESSURE REGULATOR FEATURES 3\/8\" NPT IN\/OUT PORTS AND A 3\/8\" NPT RETURN PORT.\u003c\/p\u003e  \u003cp\u003e\u003cb\u003e\u003cu\u003eNOTES:\u003c\/u\u003e THE 803BP IS DESIGNED FOR USE WITH AN ELECTRIC FUEL PUMP WITH A RETURN LINE IN THE SYSTEM. IF YOU ARE USING A MECHANICAL FUEL PUMP, USE THE 12-803 REGULATOR.\u003c\/b\u003e\u003c\/p\u003e  \u003cp\u003e\u003cb\u003e\u003cu\u003eFEATURES:\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003eADJUSTABLE FUEL REGULATION FROM 4-1\/2 TO 9 PSI\u003c\/li\u003e  \u003cli\u003ePRESET TO 7PSI\u003c\/li\u003e  \u003cli\u003e3\/8\" NPT PORTS (1 IN, 1 OUT, 1 BYPASS OR RETURN)\u003c\/li\u003e  \u003cli\u003eUSED IN SYSTEMS WITH A RETURN LINE BACK TO THE FUEL TANK\u003c\/li\u003e  \u003cli\u003eQUIETER FUEL PUMP OPERATION\u003c\/li\u003e  \u003cli\u003eDESIGNED ONLY FOR CARBURETOR USE\u003c\/li\u003e  \u003cli\u003ePOLISHED FINISH\u003c\/li\u003e  \u003cli\u003eMOUNTING BRACKET INCLUDED\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e\u003cb\u003e\u003cu\u003eSPECS:\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e  \u003cul\u003e  \u003cb\u003e\u003cli\u003eCOLOR:\u003c\/li\u003e\u003c\/b\u003e SHINY  \u003cb\u003e\u003cli\u003eEMISSION CODE:\u003c\/li\u003e\u003c\/b\u003e 5  \u003cli\u003e\n\u003cb\u003ePRESSURE RANGE:\u003c\/b\u003e 4.5-9 PSI\u003c\/li\u003e  \u003cb\u003e\u003cli\u003eFUEL SYSTEM:\u003c\/li\u003e\u003c\/b\u003e GASOLINE  \u003cb\u003e\u003cli\u003eINLET SIZE:\u003c\/li\u003e\u003c\/b\u003e 3\/8 INCH NPT  \u003cb\u003e\u003cli\u003eOUTLET SIZE:\u003c\/li\u003e\u003c\/b\u003e 3\/8 INCH NPT  \u003cb\u003e\u003cli\u003eMATERIAL:\u003c\/li\u003e\u003c\/b\u003e ALUMINUM  \u003cb\u003e\u003cli\u003ePRODUCT TYPE:\u003c\/li\u003e\u003c\/b\u003e FUEL PUMP  \u003cb\u003e\u003cli\u003eSTYLE:\u003c\/li\u003e\u003c\/b\u003e BYPASS  \u003c\/ul\u003e  \u003cp\u003eYOU CAN VIEW AND DOWNLOAD THE COMPLETE INSTRUCTION BOOKLET FOR THIS FUEL PUMP \u003ca target=\"_blank\" href=\"https:\/\/southwestspeed.com\/cdn\/shop\/files\/HOL_12-803BPInstructions.pdf\"\u003e\u003cfont color=\"red\"\u003eHERE\u003c\/font\u003e\u003c\/a\u003e, AND THE HOLLEY FUEL SYTSTEMS CHART \u003ca target=\"_blank\" href=\"https:\/\/southwestspeed.com\/cdn\/shop\/files\/HolleyFuelSystemsChart.pdf\"\u003e\u003cfont color=\"red\"\u003eHERE\u003c\/font\u003e\u003c\/a\u003e.\u003c\/p\u003e","brand":"HOL 12-803BP","offers":[{"title":"Default Title","offer_id":47881802121497,"sku":"HOL 12-803BP","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/0477\/6985\/files\/HOL_12-803BP.jpg?v=1751937247","url":"https:\/\/southwestspeed.com\/products\/hol-12-803bp","provider":"Southwest Speed","version":"1.0","type":"link"}