Wow Cheesy! Thanks for all that data! So my US 1989 3.0 v6 would not be of any of these NH, NF or NG designations?
Would it matter with trying to mate up replacement headers?


Option #1 https://www.ebay.com.au/itm/152322100031

Option #2 https://www.ebay.com/itm/172412535492?ul_noapp=true