Another 273 to 318 swap questions

The best header options I know of are in the first three sticky threads in this forum. Then there's the T.T.I. mondo expensive under chassis headers that lots of folk seem to have to hammer fit. There have been problems getting Harold at Spitfire Headers to come up with a set. For that matter, it's been some years since I've heard if he's still at it.

(I can hear the Harold Johnson stories already in the pipeline!!)