1964-79 Pontiac Lemans, Firebird, Chevrolet Chevelle, Camaro, Oldsmobile Cutlass, Buick Skylark 4bbl Carburetor to intake mounting hold down bolts, 4pc These are the bolts that hold the carburetor to the intake manifold. There are 2 short and 2 long bolts and they have the factory correct head markings. This is an exact inline tube reproduction made identical to the originals. Plated Phosphate. These are the details that separate the first place cars from the rest.