2" Concave Steel Freeze Expansion Plug Intake Manifold Exhaust Crossover
2" Concave Steel Freeze Expansion Plug Intake Manifold Exhaust Crossover
2" Concave Steel Freeze Expansion Plug Intake Manifold Exhaust Crossover
2" Concave Steel Freeze Expansion Plug Intake Manifold Exhaust Crossover

Buick 401/425 Nailhead Intake Manifold Exhaust Crossover Plug 2"

SKU: 111-842
  • Sale
  • $8.69

This plug fits the intake manifold, exhaust crossover on the bottom of a 1959-66 Buick 401/425 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 a Buick 364 engine and require the 3" plug please click this link here.

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