That's just a guess. I've seen them listed at 2,500 bucks, but it's really worth what somebody will pay. I'm sure there are guys on here that can give more real world figures that I can. I have cleaned up a few heads with no real porting to speak of, and it took me several hours per head just to do that. I tried to take my time, keep the speed even and not wide open, and move smoothly.