Ive been looking at a “JDM B18b” head on ebaymotors. I emailed the guy to ask about the stamp on it. he said it is a pr4-6 head. is this a jdm b18b or is this guy trying to rip people off?
90-93 b18a pr4
94-97 b18b pr4
98-01 b18b p75
is this correct, even with JDM motors?