Looking for Right side finned exhaust manifold for SQ 4 4 pipe model. Mine has one broken fin.

I recently became owner of my first Ariel... a '53SQ 4 MK II. The bike has chrome mudgards.. all the supports seem OEM, but I have yet to see another picture of a MK II of this vintage without painted mudgards. the chrome is in beautiful condition, and I'd be foolish to blast it off and paint, but j...