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Old 09-18-2010 | 08:35 PM
  #76  
captinjohn
 
Joined: Jan 2002
Posts: 12,957
Received 4 Likes on 4 Posts
From: Hesperia Michigan, MI
Default RE: Custom Piston Rings

If I was still working at the company I worked for, I could easy check the Rockwell Hardness real easy on my own time. We theuse of about any device to check the quality of about any engine part! Capt,n