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OMGWTFBBQ · 04-05-2010, 01:30 AM

My guess would be that the washer helps to seat the lug nut in place and maybe it prevents the lug nut from messing up the actual face of the wheel? Who knows.

04-05-2010, 01:30 AM	#34 (permalink)
OMGWTFBBQ A True Z Fanatic Join Date: Jan 2009 Location: the OC Posts: 1,886 Drives: 08 SGM IS350 Rep Power: 4549	My guess would be that the washer helps to seat the lug nut in place and maybe it prevents the lug nut from messing up the actual face of the wheel? Who knows.