Oil gallery plug

[qmdv]

Originally Posted by 35fordtn

That is the front oil galley plug. I have to admit that is my listing...... I had them made to the Ford engineering release drawing for the Part. I have to admit I do not know the reasoning for the shoulder. Maybe a engine expert will chime in..

PS they are available through the link below as well as they are available through Van Pelt Sales.

http://thirdgenauto.com/product/1932...ouldered-plug/

Am impressed that that you had them made not knowing why. I am sure that an engineer at Ford knew why. I have never seen them before.