Ford Racing Shorty Header Collector Stud Size

[JasinC19]

Does anyone know the size of the studs that thread into these headers?

Ford Racing M-9430-P51​

Will this kit work?
http://www.latemodelrestoration.com/item/BBK-1571/Header-Collector-Hardware-For-Bbk-Headers

 

[wythors]

It's the same as your stock manifolds, if that helps.

 

[JasinC19]

Indeed it does! Thanks