Im in the process of building a 450-500 whp street terror ...I was wondering what experience you guys have with different valvetrain components. I'd like to be able to rev to about 9-9500 safely, I know ferrea is a good valve company and I was thinking of going with their stainless steel valves, std size and everything...but I would like to know more about how you guys feel about different springs and retainers, also your opinion on valves and what would be a good set up for what I want. Thanks guys

 

well its all a matter of opinion, people will recomend this and that, you just have to go with that your feel will be reliable to your setup

ferrera is a good company for springs,valves ect. so i recomend ferrera but others will recomend other thing

just a matter of opinion

 

here if the information that i can provide based on personal experience...

Crower Dual Valve Springs and Ti Retainers - 10k+ RPM in one of our race heads

Supertech Performance Dual Valve Springs, Ti Retainers, Black Nitride Valves - 10k+ in one of our race heads

Ferrrea - complete setup - 10k+ in one of our race heads

we have used each companies products in our race engines both the honda program and have used Supertech and Ferrea with the nissan sr20det engine program and all the components all seem to work very well

we have't seen any failure issues i particular with the parts listed above and do check the wear/tear of the components every so often to see how things are going

 

Thanks for the feedback guys, I need to find a place that supplies crower and supertech, I'm looking to spend like 400-600 at the most for the springs, valves..and retainers...I found a kit from omni power but I havent talked to anyone who's dealt with them...their specs for their springs are on the ebay site, tell me what you think?

http://cgi.ebay.com/ebaymotors...ZWDVW

 

And this

http://cgi.ebay.com/ebaymotors...ZWD1V

and thissss

http://cgi.ebay.com/ebaymotors...ZWDVW

 

sent you a pm about supertech parts

 

pm'd back!