Thread: TOP END REFINISHING
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Old 10-09-2014   #10
orthodoct
 
Join Date: Aug 2014
Location: Crossville, TN
Posts: 88
Default Re: TOP END REFINISHING
Been using Bosch 4503 Platinum/Iridium with 4 prongs. Didn't think that that I would have to replace them until I got the PCV tube leak; fouled them.
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