Inlet ports 172 F4R vs Megane F7R

[EVOgone]

Whats the difference, is the F7R Williams inlet port more like the 172 ?

 

[Laine_16v]

That is an F7R Meggy manifold, with an F4R inlet gasket to show the difference.

 

[Dan519]

Whats the difference, is the F7R Williams inlet port more like the 172 ?

172 port is most like megane F7R. Williams is most like 197/200 F4R