dart to GM head test

[Bob Mulry]

Originally Posted by Kevin Panzino

What the heck am I missing.. I saw another post on the other forum about Zavala running a 'replacement' 441 head..... So we now have NHRA accepted aftermarket 255 SBC heads for SS ???? Where is this posted ?? I just checked the latest "NHRA accepted products" list and there is nothing listed ??????

Hi,

Just go to the NHRA Classification Guide and look up 1969 Chevrolet 350/255 hp....

You will also pay with 5HP for the honor of running Dart, RHS or World heads....

Bob