Clone head? a little casting number help please.....

#1
Picked up a motor and am trying to I D it...
Its red (Honda?) and the head has JT- 04 - 06 - 16 stamped on it. Im guessing gx 160 clone (duh) but what else can i find out about it with these numbers? There are no other numbers or stickers visable on it
 
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