Big-Sert Spark Plug Kits
BIG-SERT OVERSIZED SPARK PLUG THREAD REPAIR KIT
"OVERSIZED HOLES" For Spark plugs that have been previously repaired.The outside thread of the BIG-SERT is M18x1.5, the stripped hole should not be larger than 16.77mm or .660 inches.
SPARK PLUG KITS DO NOT INCLUDE INSERTS
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