The 4150 plate and cone are manufactured from 6061 billet aluminum. The nitrous plate is. 75” thick and black anodized with engraved Nitrous Outlet logos and N2O entry marking. Premium gaskets are included as well as Jetting for 50-100-150-200-250-300-350-400-450-500 horsepower shots.This is a standard system and utilizes a. 122 nitrous solenoid.