ProComp/Speedmaster aluminum heads

fishmens67 said

CNC are 1900 assembled. leaving 800 for valves, springs, retainers and seals.

j par :poke:

Click to expand...

So for a little more you can buy an American made head, with quality parts, better flow numbers, same cc runner, and a company that gives back to racers at the track. Hmmmmm.