2007 rev 800r 151 i put in vforce3 single pipe dynaport mbrp can and geared it down 1 tooth. what helix would you guys recommend also would you change the spring in the clutch or secondary. just looking for little more track speed.
Northern Catalyst Performance Clutching Systems Joes clutch kits work great and he's easy to talk to,and not scared to help a guy out.:d:d