Quote:
Originally Posted by Dagenham
I measured a stock '91 5.0 rotor at 63mm.
Hope this helps.
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The 4 lug rotor has a smaller snout. The 5 lug rotor has a larger hub. It's just shy of 70mm. 69.6 I believe. Quoting from memory there though. Most Ford OE wheels are 70.3-70.6mm hub bore. I've bored out the Stern's to 73mm so that there are no issues. Most of the Stern's I've owned with the hub's the correct size from Hinodex (Stern's parent company) were 72-73mm.