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5x4.5 is the american (SAE) bolt pattern and is from 98 and older vehicles...the 5x114 is the metric bolt pattern and is from 99 to 2010 vehicles. Ford switched the pattern to metric and are not interchangeable. If you pull one of your factory wheels off you will see the stamping on the inside of the rim what it is
SVT
not exactly true... 4.5" =114.3mm, they are the same exact thing. they are interchangeable, its just how they call out that measurement. (btw, .3mm is about .011 inches, or about twice as thick as a human hair. the difference is insignificant)
'87 ranger with '03 alcoa's (stock on fx4 level II ranger)
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I understand when the F-150s went to metric they did'nt fit either.