heya guys, i need some help in identifying a set of chambers on my mc28.

i seriously do not know what make they are. got it 2nd hand off a shop. i was actually told they were the hrc ones, but im kinda suspecting that they are made by jha. any way to tell? hrc doesnt come in carbon cans do they?




thanks alot guys
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'96 mc28sp
'06 yzfr6