I agree most of the valve train problems on these high RPM motors is caused by lack of valve adjustment. The ti valves will not last as long as stainless but with proper regular adjustment they last quite awhile.
C&D Racing, the official sponsor of ATVriders.com and your #1 aftermarket and OEM parts shop! 402-614-2508
1st place +30 2010 IATVHSS
#28 IATVHSS 09 Polaris 525S and 525IRS
1st Place Industry Class 2008 Heartland Challenge
1st Place Industry Class 2007 Maxxis 12 hrs
www.cdracingonline.com
check out the products we carry http://www.cdracingonline.com/sell.html