This original 66' 427fe side oiler cost $26,000, installed, this summer!
A new Shelby CSX4000 roller will run $60,000-$90,000+, depending on the type of body.
You do the math.
Ugh, you did ask for the best!
jdog
P.S. Check my photo gallery for some more pic's. Good luck, you seem to have pretty high standards!