harley-davidson guys

update. got a good deal on a 10 to 1 reverse dome piston kit. should be here soon. Bought a new battery put it on yesterday and took the sporty out for a ride. 43 degrees in laramie and it was a fun but chilli 2 hours. Couldnt help it, the sun was out. Question, am i going to worry about putting regualr low octane fuel in with 10 to 1 compression ratio with my stock heads....I use premium but every once in a while i can only find regular on road trips. If 10 to 1 is too much can i use a thicker head gasket to drop the compression to a safe ratio?