6x8 ALL DOORS
The speakers in the doors of a 1991 Ford Ranger are 6-inch speakers.
Both the front door speakers and the speakers in the rear are standard Ford 6"x8".
6 X 8
The speakers are probably 6" X 8".
All 4 doors speakers on the Ford Expedition are 6x8.
6X8 inch speakers for front and rear doors.
4×6 on all four doors