If you are using a TPiS MiniRam, you'll need the MiniRam fuel rail kit. This kit makes installing a MiniRam in your vehicle super clean and easy. The fuel rail kit includes a pair of rails, -6 AN in and out fittings, adjustable regulator, crossover tube with o-rings, four stainless rail bolts, a fuel pressure test port, and custom length stainless braided lines for 85-91 Corvette for direct hook up to factory fuel lines. Fuel rails are extruded aluminum, CNC machined and anodized "Cool Grey" for corrosion resistance and a great look. **PLEASE SPECIFY THE YEAR OF THE VEHICLE WHEN ORDERING***