The list looks good to me. I used hi temp wire for the lements. can't tell you what size. I'll have to look it up. It was something Tggt-
from a local electric supply company.
The Insulation, I got from McMaster-Carr, But 1 inch seems a bit skimpy.
I used appliance light fixtures and bulbs. Have seen some use the ceramic light fixtures that were/are used for ceiling lights.
Do a search here, for the insulation, as there have been several types used.