Blue AN8 AN6 Fuel Inject Pressure Regulator Kit With 0-160psi Oil Gauge 8AN EFI. Bracket for easy mounting. Vacuum boost port (ideal for turbo or supercharged engines). E85 and Alcohol compatible. Adjustable from 60 to 85 psi. 1/8” NPT gauge port (white face 0-160 psi gauge available upon request, -see my other auctions). One white face gauge. Two -8AN fittings for feed and supply lines. One -6AN return line fitting (or you can cap off if return-less style is desired). CNC-machined from 6061-T651 billet aluminum. Fuel Pressure Regulator Kit. (100% Brand New Never Used Or Installed). No installation guides are included, we highly recommend to seek professional installation. This product can expose you to chemicals including Chromium (Hexavalent Compounds). Which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to California goverment website, you can search California P65Warnings. Thanks for purchasing ^-^.