I've heard lots of bad things about using puck discs with springs. A couple guys on here who're putting down good HP swear by the xtd stage 4, which comes with an unsprung disc.
As far as the stage 1 and 2 I've read mostly bad reviews on them.
Thread profile page for "Ebay XTD stage 3 clutch and flywheel" on http://www.dsmtuners.com.
This report page is a snippet summary view from a single thread "Ebay XTD stage 3 clutch and flywheel", located on the Message Board at http://www.dsmtuners.com.
This thread profile page shows the thread statistics for: Total Authors, Total Thread Posts, and Thread Activity
| |||||||||||||||||||||||