check this out
 

Any one see this yet? They seem to be getting pretty good numbers out of there heads. no 24 valve yet but curious to see how one of these would performe on a truck. its gotta help egt and spool up.

Looks like an awesome way to get into a water jacket. These heads aren't all that uniform.

Actually they're only really cutting the boss around the guide and very minor mod to the walls them selfs. And there still getting thise numbers. The owner said they r very aware of the water jackets and the core shift problems so they arent cutting the walls really.

So what are we looking at as far as flow numbers, time, and price?

it is all listed on there web site. they seem to be pretty competitive with pdr prices and out flow them. you would have to ask them about time.

anyone ever do this yet or know of anyone? curiose to how big the gains were