Cool, thanks guys! I am having my head ported and polished and while i had the head out i figured i would replace the stock valves with SS valves.I wasn't sure if i should spend the extra cash on titanium retainers, bronze guides etc... I already have the 65lb springs from APE on a purchase last year. I never figured i should invest in any of the other head work besides porting and polishing. I know this being hte first turbo motor i have built i just wanted to make sure all the necessary parts that might fail have been replaced with what is proven to work.