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WiseAutoTools.com © Summary: Information on the Mountain 9200 kit and measurements of the MTN-9201 replacement spark plug thread insert. Yes, we sell the MTN-9201. It’s a replacement spark plug insert that’s installed with the Mountain 9200 spark plug thread repair kit typically used on Ford 4.6, 5.4 and 6.8 liter engines with 2 valves per cylinder SOHC. The Mountain 9201 replacement spark plug insert is a stainless alloy steel insert that lasts the lifetime of an engine when repairing …

DennisB WiseAutoTools.com © Summary: We’ve been selling spark plug thread repair kits for many years to vehicle owners and repair shops for Ford spark plug blowout repair. We answer frequently asked questions and go over concerns regarding common misconceptions. Although other vehicles can have a sparkplug blowout or ejection problem, this article is primarily on 1996 to 2012 Ford 4.6, 5.4 and 6.8 engines. The most common kits we sell are the Calvan 38900, the TIME-SERT 5553 and the l …