Specification- Fitting: Made of high quality T6061 Aluminum,-6AN size - Hose Length: 1x 170 mm & 1x 380 mm & 1x 660 mm - Hose Material: 304 stainless steel + CPE synthetic rubber 1-3/4 | 45 mm gauge,1/8 NPT gauge port - Adjustable from 0 to 100 psi to maximum fuel pump capacity - Fuel pressure regulator,-6 AN inlet ports and return port - Power application:300-800 hp - Anodized surface - Billet aluminum body - New - one year warranty for any manufacture defectsPackage Includes1 X Fuel pressure regulator 1 X Liquid filled gauge 7 X AN-6 fittings 3 X Braided Hose Hardwares as pictures showNote- Please check the detailed measurements before placing order. - No Installation Instruction included, Professional installation is highly recommended. - Please check our store for other auto parts you may be interested in. - Please feel free to contact us for whatever we can help.