have looked, not found wanting a cold plug .750 reach/14mm/ non-projected tip with resister 5/8 hex can find some with larger hex, want to stay with 5/8 not hardcore about brand any suggestions ??? thannx
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have looked, not found wanting a cold plug .750 reach/14mm/ non-projected tip with resister 5/8 hex can find some with larger hex, want to stay with 5/8 not hardcore about brand any suggestions ??? thannx
NGK R5671a-x x being heat range, 7-11 11 being the coldest.