Thread: Just curious about this Cosworth YB head
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Old Nov 17, 2012 | 08:29 PM
  #4  
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nixon_2wd
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its a head gasket.... edit; oh you meant the grooves. they are called singh grooves. search on youtube, BS if you ask me..
Last edited by nixon_2wd; Nov 17, 2012 at 08:31 PM.
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