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.
1966-2001 Buick, Chevy, Pontiac, Olds; Smog Pump Check Valve: with 3/4" OD Hose
Reproduction smog pump check valve for various 1966-2001 Buick, Chevrolet, Cadillac, Pontiac, and Oldsmobile models as listed. This reproduction is designed to replace the existing valve and features an original black finish...
1966-2001 Buick, Chevy, Pontiac, Olds; Smog Pump Check Valve: with 3/4" OD Hose
Classic $17.99 ea