The aluminum head will accept any headers that will fit the stock heads, like these stainless steel 3 into 1x2style headers from Vintage (PN FSP-200-DOH). See All 15 Photos Valve seat areas are ...

According to The Ford Falcon Six Cylinder Performance Handbook, the best heads to use are '77-and-later 200/250ci castings as they have the largest valves (1.76/1.38 inches intake/exhaust).

Vintage Inlines from Detroit, Michigan, has finally made available an aluminum cylinder head for the inline-six that will really open up these engines to the performance world that was not there ...