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2003-2010 Ford Expedition 330 CID
1997-1999 Dodge Dakota 318 CID
Muffler Part Number: Kit Only
Machined 1/2” header flanges welded inside and out for a leak-free seal and maximum strength
Part Number: 817741
Earls Stat-O-Seal - 178007ERL ignition-boxes 2003-2010 Ford Expedition 330 CIDOverview: The Stat O Seal is very simply the best sealing washer available. It consists of a synthetic rubber "O" ring mechanically locked to the I. D. of an aluminum washer. When tightened, the "O" ring is compressed, forcing the sealing surfaces around the bolt shank. They will form a positive seal over a temperature range of 85 to +450 F. They provide the advantages of an "O" ring type seal without the necessity of machining "O" ring grooves into
