Thread: spark plug guide
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Old 12-31-2007, 04:57 AM
  #4  
bigs1975
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Join Date: Feb 2006
Location: Bastrop,TxBy way of Alabama
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Is the NGK 5673 plug a .460 thread reach plug?And will this plug work in BBC990 heads.They have Autolite 133's in them now.Just trying to find the correct plug also.
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