2 types of Doug headers for early 64 to 66 Valiants ??

Good morning

I got the
Professor Fate said
What did you get, D450s or D454s? D454 is only for use with the Alter-K-tion K frame.
If you got the D450 (or D450-B), this is direct from the Doug's website (and is in the installation instructions):
View attachment 1716206983

View attachment 1716206984
Click to expand...
D450-bs and yes I got thr parts it recommends in the instructions from brewers. And still have clearence issues