Thermostat housing

Hi Thank you for your question, we need a little more info. What intake are you referring to and what motor does it go on? -Jason

Pontiac intake

You can drill a hole into the front of the manifold to access it. there is an area that i just filler aluminum. email us offenhauserequipment@gmail.com and i can send you some photos

do you make valve covers for a 63 mercury 390 ?

Hi r26racer! We do have a pattern for that, but it was damaged and is in the process of being fixed. Email us at offenhauserequipment@gmail.com and let us know your contact information. We will let you know when it comes back into production!