Designed for modified engines in which there is a greater demand for the fuel necessary in the case of exchanging injectors for larger. Allows easy installation of N2O and the fuel pressure regulator. Material: 6061T6 Billet aluminum. It saves the engines: K20przed to modified engines in which there is a greater demand for the fuel necessary in the case of replacing the injectors for larger. It enables easy installation of N2O and a fuel pressure regulator. Material: 6061T6 Billet aluminum. It saves engines: K20