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					Originally Posted by particlewave  No, I'm not sure    
They measure 10" OD (edge to edge), but I'm sure they are 9's based on the part # (probably measured bead to bead, not actual width).
 
My fault...it was an off day. Took some Tylenol PM last night and have been really out of it all day   | 
	
 
You had me freaking out with a Boxster coming with factory 10' rear wheels lol.