I've just finished converting HK Models' Meteor F.4 to the F.8 version using the Fisher Conversion set.
This involved removing the F.4 nose section just forward of the wing and fitting a new resin nose, chopping the tail section off and grafting on a new resin rear end, the forward sections of the intakes were also removed and resin replacements added. A fully detailed cockpit interior including ejection seat was also supplied in the kit, and I also installed a G-Factor brass undercarriage set due the extra weight with Brassin resin wheels. Decals came with the Fisher set, and I used Xtracolo