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.
1977-2017 Chevrolet Nova Parts - Emission Control Hardware
Classic Industries offers a wide selection of Emission Control Components for your 1977-2017 Chevrolet Nova. Classic Industries offers 1977-2017 Chevrolet Nova Catalytic Converters, 1977-2017 Chevrolet Nova Check Valves, 1977-2017 Chevrolet Nova EGR Valves, 1977-2017 Chevrolet Nova Emissions Sensors, 1977-2017 Chevrolet Nova Hardware, 1977-2017 Chevrolet Nova Hoses & Clamps, 1977-2017 Chevrolet Nova Mass Air Flow Sensor, 1977-2017 Chevrolet Nova Pulleys, 1977-2017 Chevrolet Nova Smog Pumps & Components, and 1977-2017 Chevrolet Nova Vapor & Charcoal Parts.