Edelbrock Victor Jr. Upgrade Kit #70025 allows you to upgrade from a Performer RPM Nitrous System or similar system from other manufacturers system. This system is capable of 200-400+ added horsepower. It includes everything needed for installation including Performer RPM fuel and nitrous solenoids, lines, gaskets, studs, stainless steel jets, 11/16" thick billet aluminum black anodized injection plate with intersecting "Dead Head" spray bars and owner's manual. This design has proven to produce the best nitrous and fuel distribution of any spray bar plate on the market. This system is for use with 4500 Series carburetors and has a silver powder coated bottle.