Originally Posted by bluesmoke

Thanks for the input, I will stay away from the Pro Comp heads. I've read nothing but bad things about Pro Comp. Has anyone bought from Nyes? From what I've read they seem to be honest and build a good motor. I'm looking to buy a chevy big block crate engine 540 up to a 565 around 700 to 750 hp and as much torque as I can get on pump gas, There's a ton of company's out there and it's hard to know who is truely honest and build what they advertise. Any input would be greatly appreciated.