Our Dash 10 Supra Rail is machined from our Dash 10 Fuel Rail Extrusion. The rail itself has a internal bore of .800" and is perfect for supplying fuel to the 2JZGTE platform.The rail comes with everything needed for the install. Assembly includes the rail, billet clamps, two Dash 10 Oring to Dash 10 AN fittings, stainless steel hardware, and 6 intake injector bungs. This rail is setup for Bosch style injectors (14mm Oring) and also utilizes a center lower return for further upgrading your fuel system.