anyone put a new highperformance cam in there fiddy. Sik50's has two different ones. i know this will definetly help with power, but do you guys think its worth it.
heres some links to the two different ones I was lookin at.

1st cam
2nd cam
what ya think?

 

I know that if you stick in a higher cam then you might want to think about getting some stiffer valve springs in there while your at it. They go for like 30 bucks

 

where could I get the valve springs from.
I was also thinking exhaust would be a good idea, just to open it up a little.

 

I got all my parts from here
http://www.hondaminitrail.com/