Pn# -INL15019- STAINLESS STEEL1968-71 Mopar 426CID "Hemi" Dual-Quad 5/16" Pump to Carb Lines w/Hardware 7pcMade in the USACarburetor Fuel Engine Lines:The Pump to Carb Line is the one that runs from the fuel pump to the carburetor. In order for this line to fit exactly you must have the stock style fuel pump and the correct carburetor. Many things can affect this line from not fitting. First make sure all your components are stock (Factory Parts) after market fuel pumps or carburetors and affect placement and also aftermarket pully systems, intake manifolds and throttle linkage affect the fit. These lines are intended for stock cars. The way it came from the factory.It is recommended that this line be a metal tube. Rubber hose can fail and cause engine fires. It can expand.