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Old 08-28-2010 | 09:56 PM
  #118  
Dave Harmon
 
Joined: Jul 2002
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From: Sperry, OK
Default RE: YS 170 DZ CDI

'PN' is pattern narrow.....'WPN' is wide pattern narrow.

EDIT:.....from the APC site....the 18.5x12WPN hub is .22 larger in diameter and .100 thicker than the 20x10.5pn.