I bought after market aluminum for mine also but for the life of me I can't remember the name of them. I will try and find the receipt sometime tomorrow. [
] they are 3/16" thick.
SIGH!!!! After I posted this I remembered that I had bookmarked the web site where I got mine.
http://www.tntlandinggear.com/store/...ne_catalog.htm
I'm still building mine and will be cutting the cowling next and it's the goldberg fiberglass one and also the wheels pants, not bad really.