Universal, billet aluminum, adjustable 30 to 70 psi pressure, -10 AN inlet, -6AN return, 1/8 in. NPT gauge port, fuel injection, pressure regulator Designed for use with custom fuel rails, this Aeromotive fuel injection pressure regulator was specifically made for the 1,000 HP fuel pump. It's manufactured from premium 6061-T651 billet aluminum alloy and CNC machined for a leak proof seal. Features include adjustablity from 30 to 70 psi, two -10 AN inlets, a -6 AN return, and a 1/8 in. NPT gauge port. All components are anodized and plated not only for good looks, but for corrosion protection as well.