Buick 364 Nailhead Intake Manifold Exhaust Crossover Plug 3"

SKU: 111-847
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  • Regular price $7.99


This plug fits the intake manifold, exhaust crossover on the bottom of a 1957-1961 Buick 364 nailhead engine with a  2 or 4 barrel stock intake manifold. 

For an easy installation, insert the plug into the bottom of the manifold and hit the center with a hammer, this will flatten and expand the plug for a secure fit. 

 If you have the Buick 401/425 Engine and require the 2" plug, please click this link here.