The upper part is a Tiger 1 Air Filter Cover for later models without the Feiffel Air filters. Strangely enough hard to find a good real picture, so this one will have to do:

Part seen in the middle of this pic.
The other part explains itself here:

That's quite a necessity building a Tiger.

1:16 was my scale. Until 'Konan' came into my life... an Armortek 1:6 Tiger 1!
... Now followed by a Panther G, 'Gunther'!
I'm a happy man.
