DDM or equivalent.
Must be 3/8" thick.
It must lay flat, not bent from an accident of some kind.
I don't want to involve shipping because that will easily add 50% or more to the purchase price which is then beyond my budget.
After a bunch of looking online and discussions with kappa owners, I decided the tunnel brace for my 08 Sky RL was easy enough to DIY. Hardest part was locating a piece of 3/8” Aluminum that was affordable for my frugality. LOL.
A friend of mine had a 40x12 @ 3/8” 6061 Aluminum for the right...