2536771 CAP 4BBL Intake Manifold Port Plug ?
Huh, got me thinking. I have a manifold in the garage. It is a #563 (non cap) and doesn't have the passage cast in it. The manifold on my 66 is a cap intake and has a big headed (ugly) plug. No idea what size. This is the #771 off my 273.
Huh, got me thinking. I have a manifold in the garage. It is a #563 (non cap) and doesn't have the passage cast in it. The manifold on my 66 is a cap intake and has a big headed (ugly) plug. No idea what size. This is the #771 off my 273.
