Performer Plate Kits are an easy way to upgrade your existing system with Edelbrock Nitrous. Each kit includes plate, stainless steel jet assortment, and braided stainless steel fuel and nitrous lines. Edelbrock Nitrous; Plate Kit PRO-FLO EFI Edelbrock Thunder Series AVS 800 cfm, Square-Flange, Electric Choke Carburetor (non-EGR).