What are the springs good for RPM wise (8000 ?) and where are the titanium retainers?

 

There was a post by Mardigras a while back about using 2JZ GTE springs and Ti retainers a while back, they are cheaper. Since you are a donating memeber you could search for it I'd say it was back in the spring time.

 

PM from Mardigrasmax "The springs I looked into are made by crower. The specs matched prety close,I still have a doubt or two, but if i was to ever do cams I would use these." What do you think would that be good enough for you? Thanks