Wondering if there is any difference in the head manufacturing/castings by the casting year seen on the front end of the heads.
I've got three heads on hand and was wondered if there was any difference between the 87,88 or 89 heads?
Thanks for your help with this.
I've got three heads on hand and was wondered if there was any difference between the 87,88 or 89 heads?
Thanks for your help with this.
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