00 JDM ITR head is PR3-3 '97 USDM ITR head is PR3-2. The casting number has NO relevence to MAKE MODEL OR YEAR, it simply is a casting production stamp...anyways, b16/b17/ITR heads are all from the same cast. The casting number being exsampler3-X there is no way to determine what year,make or type knowing that.
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