[SSDiv6]

Originally Posted by Bob Lasko

Well now we have the proper replacement NHRA approved SS/CS heads

DART 10710040PF
DART 10220010


NHRA link http://www.nhra.com/userfiles/file/N...edProducts.pdf

With 230cc as cast intake ports and 49cc chamber, the Dart 10710040PF cylinder head should be a good head. With its CSA, the right head porter should be able to get 340+ CFM's.