Does this needs to be ported/ grinded????

[lassek]

SPECIALIZED7:

I am currently awaiting the Toomey B1 complete kit... and somehow i can really follow you by IF i get this port job and head mill done correctly along with the B1 kit.... (later carb) Ill never miss the Big Bore... If it performs REALLY good.. I wont buy a big bore..

 

[blaster240R]

what grit hone should he use?

 

[lassek]

blaster240r : please explain grit hone? density of hone?