1979 Pontiac Firebird 403cid 4bbl Choke Tubes 1/4" Stainless Steel 2pc These preformed engine lines replace the factory choke tubes that run from the intake manifold to the choke following factory routing. Our replacement lines are engineered from factory original tubes, CNC manufactured for precision, and include the correct fittings and flares (where equipped). Please note that these lines are intended to work with factory carburetors and intake manifolds.
