EMPI Dual-D 36mm Deluxe Carburetor Kit, Type 1 – to 1776cc Stock to Mild Build, Factory Jetting: .122 Main, .180 Air, .60 Idle, 1.50 Inlet Valve, .50 Pump, #2 E-Tube & 30mm Venturis, NOTE: We have added the following jets to your kit if further tuning is needed: .130 Main, .55 Idle