By-Pass Fuel Pressure Regulator. 6AN Port – Boost Reference 1:1. This will work with fuel injection vehicles converted to carbureted that use a high pressure (up to 65 psi) in-tank fuel pumps! Can be used to regulator down fuel pressure on vehicles with high pressure in-tank fuel pumps! Adjustable from 4-15 psi or 16-65 psi for precise fuel pressure adjustments. For use with gas, diesel and E85 applications. The regulator comes setup with 4-15 PSI range. If you need to use the regulator for a high pressure application, it also includes a second spring that can be installed for the 16-65 PSI range. Determine approximate fuel pressure your system will require. If your fuel pressure requirement is between 4 and 15 psi, the factory installed regulator spring will work for you. If your fuel pressure requirement is between 16 and 65 psi you will need to change the spring. Ensure the pressure adjustment set screw is backed out all the way, remove the 4 cover screws and cover, remove the factory installed spring, replace it with the high pressure spring, and reassemble the regulator. Constructed of billet aluminum with a black anodized base and a clear anodized top. Used in systems with a return line back to the tank. (1) 6AN O-ring Inlet; (1) 6AN O-ring Outlet; and (1) 6AN O-ring. Includes fitting for manifold reference. Includes an 1/8 NPT gauge port. Boost Reference 1:1. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Air & Fuel Delivery\Carburetor Parts”. The seller is “mrmanifold” and is located in this country: US. This item can be shipped to United States, New Zealand, Fiji, Papua New Guinea, Wallis and Futuna, Gambia, Malaysia, Taiwan, Poland, Oman, Suriname, United Arab Emirates, Kenya, Argentina, Guinea-Bissau, Armenia, Uzbekistan, Bhutan, Senegal, Togo, Ireland, Qatar, Burundi, Netherlands, Slovakia, Slovenia, Equatorial Guinea, Thailand, Aruba, Sweden, Iceland, Macedonia, Belgium, Israel, Kuwait, Liechtenstein, Benin, Algeria, Antigua and Barbuda, Swaziland, Italy, Tanzania, Pakistan, Burkina Faso, Panama, Singapore, Kyrgyzstan, Switzerland, Djibouti, Chile, China, Mali, Botswana, Republic of Croatia, Cambodia, Indonesia, Portugal, Tajikistan, Vietnam, Malta, Cayman Islands, Paraguay, Saint Helena, Cyprus, Seychelles, Rwanda, Bangladesh, Australia, Austria, Sri Lanka, Gabon Republic, Zimbabwe, Bulgaria, Czech Republic, Norway, Côte d’Ivoire (Ivory Coast), Kiribati, Turkmenistan, Grenada, Greece, Haiti, Greenland, Yemen, Afghanistan, Montenegro, Mongolia, Nepal, Bahamas, Bahrain, United Kingdom, Bosnia and Herzegovina, Hungary, Angola, Western Samoa, France, Mozambique, Namibia, Peru, Denmark, Guatemala, Solomon Islands, Vatican City State, Sierra Leone, Nauru, Anguilla, El Salvador, Dominican Republic, Cameroon, Guyana, Azerbaijan Republic, Macau, Georgia, Tonga, San Marino, Eritrea, Saint Kitts-Nevis, Morocco, Saint Vincent and the Grenadines, Mauritania, Belize, Philippines, Democratic Republic of the Congo, Republic of the Congo, Colombia, Spain, Estonia, Bermuda, Montserrat, Zambia, South Korea, Vanuatu, Ecuador, Albania, Ethiopia, Monaco, Niger, Laos, Ghana, Cape Verde Islands, Moldova, Madagascar, Saint Pierre and Miquelon, Lebanon, Liberia, Bolivia, Maldives, Gibraltar, Hong Kong, Central African Republic, Lesotho, Nigeria, Mauritius, Saint Lucia, Jordan, Guinea, Canada, Turks and Caicos Islands, Chad, Andorra, Romania, Costa Rica, India, Mexico, Serbia, Kazakhstan, Saudi Arabia, Japan, Lithuania, Trinidad and Tobago, Malawi, Nicaragua, Finland, Tunisia, Uganda, Luxembourg, Brazil, Turkey, Germany, Egypt, Latvia, Jamaica, South Africa, Brunei Darussalam, Honduras.
- Interchange Part Number: HOLLEY AED QFT
- Part Brand: Holley
- Mounting Hardware Included: Yes
- Manufacturer Part Number: 12-880QFT
- Brand: Holley