April 17, 2008 at 8:57 PM #1 Hello -I decided to take my exhaust manifolds off my 66 K code and clean them up a little. My question is, what color are the manifold bolts supposed to me? They were black on my car, but I have seen them cast color on other cars.
April 17, 2008 at 9:31 PM #2 They were originally a darkened heat treated appearance. Once installed, they possibly could have had some engine paint over-spray.