Looking for a pair of stock 4wd spindles. Preferably from an edge, sport trac, or explorer that uses the 12' rotors.

Are you talking about 4wd steering knuckles? What year do you need? I'm assuming 1998-2011 are the same but you know what they say about that.
I have an extra 2007 passenger side I could sell ya. The funny thing is that I have 2 right ones and 0 driver's side.

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2004 black Ranger XLT- Sold
2004 Vista blue 2WD(custom paint job)Ranger XLT 4-door ext. cab with the 3.slow and auto trans black and blue FX4 Level II bucket seats with shorty console
2004 DSG FX4 with a 5R55E auto trans and 4:10 gears-Sold
2010 Redfire Metallic 2WD Ranger XLT,4-door ext. cab, 4.0 SOHC with auto trans, SLA front sus. traction control, Sirius Satellite radio and 3:55 gears
2003 red Ranger Edge 4X4, 4-door ext. cab -4.0 SOHC with a 5R55E auto trans