Your bulkhead reminds me of the one on my original donor, "good to go" with just a lick of paint required.
So let's not talk about the fact I actually ended up using a rusty mess of a bulkhead instead.
Other Spyder builders have said that cutting the bulkhead to match the contour of the body/bonnet is a good idea.
I guess the inside colour of the bulkhead would depend on what colour the rest of the cockpit is going to be?
Good luck, Paul.