MC16, MC18 (Mk1 and Mk2), and MC21 F-III kits all had special heads, but only the MC18's had visually different ones, with centre-mounted plugs.

1988 look the trickest! I may post a photo of some tomorrow!
_________________
Andy.
NSR-WORLD.COM

Please keep all responses to Forum posts on the Forum so that others may benefit.

Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.

Check us out on Facebook! Please "like" our page!