This plate conversion comes out of the box with everything you need to spray up to 500 HP Nitrous Outlet is proud to introduce the 2nd generation Stinger plate for 4150 and 4500 flange carbureted style intake manifolds. The new Stinger has a larger conical cone than the previous version and is based off of the same technology as our nitrous Puck, and is capable of delivering up to 600 horsepower of fuel and nitrous. The Stinger plate has a large unique cone shaped “stinger” that protrudes from the bottom portion of the plate into the center of the intake throat. Each Stinger has 15 discharge ports for nitrous and 15 discharge ports for fuel. The 15 atomized plumes of nitrous and fuel exit from the center of the stinger into the intake plenum in a 360 degree pattern completely saturating the air intake charge as it enters the intake plenum for even distribution. The Stinger plate is CNC machined from 6061 billet aluminum, has a black anodized body, red anodized stinger and is CNC engraved with the Nitrous Outlet logo and fuel/nitrous ports. This package includes the 2nd generation 4500 Stinger plate, EFI center solenoid bracket, gasket,hardware, and 50-600 HP jetting.