ST1000-3-PRO$84.95
Pro Series Tensioner Kit - GSXR1000 (2003-2008), GSXR600/750 (2004-2007).

http://ape-store.com/shopsite/media/st1000-3-pro.jpg


ST1000-3 (use gasket #EC745)$51.65
GSXR600 ('04-'07), GSXR750 ('04-'07), GSXR1000 ('03-'08)

http://ape-store.com/shopsite/media/ST1000-3.jpg

:dunno

I read about some tight fitment/install on the 2006/2007 GSX-R 600/750 forum. I haven't found any real info on the advantages of the PRO. It looks to be considerably more compact. :fact


Anyone know a store to get a deal on either? :scratch