Summit8 Well-known member Premium Member Nov 30, 2007 #1 12.5:1 comp. ratio (pump gas) BJ says, run 5-hole base gasket and chrome rings with this head and she'll get-up-n-go. Fits 03-06 non-sdi 600HO motor $200 shipped to lower 48, Can. + $$ for s&h. PM or call 406-489-0440 SOLD Last edited: Dec 14, 2007
12.5:1 comp. ratio (pump gas) BJ says, run 5-hole base gasket and chrome rings with this head and she'll get-up-n-go. Fits 03-06 non-sdi 600HO motor $200 shipped to lower 48, Can. + $$ for s&h. PM or call 406-489-0440 SOLD