Dual Feed Fuel Line Fits Inlet 3/8 Hose For Holley 3310 4160 Chrome Carburetor The chrome plating of these gas lines dresses up your engine bay, along with providing an excellent trail for your fuel to travel along. They're made of steel tubing, brass fittings, and silver-brazed connections. The hex fittings provide ample space for tightening to ensure a quick installation. Specification: Inlet Quantity:One Inlet Attachment:Hose barb Fuel Line Inlet Size:3/8" Outlet Quantity:Two Outlet Attachment:Male threads Outlet Size:5/8-18" Fuel Line Type:Hard tube Adjustable:No Minimum Center to Center Distance (in):8.88" .