Exhaust Manifold Smog Tube Eliminator - 1/2"-20
Correct block-off plug used when converting currently produced exhaust manifolds with holes for smog tubes back to pre-smog usage. Each 8 cylinder manifold requires 4 plugs per side.
1978 Chevrolet Nova Parts - Emission Control Hardware
Classic Industries offers a wide selection of Emission Control Components for your 1978 Chevrolet Nova. Classic Industries offers 1978 Chevrolet Nova Catalytic Converters, 1978 Chevrolet Nova Check Valves, 1978 Chevrolet Nova EGR Valves, 1978 Chevrolet Nova Emissions Sensors, 1978 Chevrolet Nova Hardware, 1978 Chevrolet Nova Hoses & Clamps, 1978 Chevrolet Nova Mass Air Flow Sensor, 1978 Chevrolet Nova Pulleys, 1978 Chevrolet Nova Smog Pumps & Components, and 1978 Chevrolet Nova Vapor & Charcoal Parts.