after 1 7/8 ? headers/extractors for `66 ap valiant

hi, any body point me in the right direction for some 1 7/8 headers/extractors for my 1966 a body AP valiant . australian , right hand drive.... suit 360/w2 heads


mark k
I have Heddman Husler fenderwell hedders on my 66 Dart,got them from Summit.I think TTi makes 1 3/4 step hedders for early-A,s now?
car pics 66 Dart 135.jpg

car pics 66 Dart 196.jpg

car pics 66 Dart 135.jpg

car pics 66 Dart 196.jpg