Deep Hole Alum Head M14x 1.25 Spark Plug Hole Air Die Grinders Made of drop-forged alloy steel

Made of drop-forged alloy steel - heat treated for strength

M12 3/8" Ratchet Bare Tool

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Deep Hole Alum Head M14x 1.25 Spark Plug Hole Air Die Grinders Made of drop-forged alloy steelFeatures & Benefits: Replaces stripped spark plug threads in aluminum heads with 14mm spark plugs Installs a new solid steel spark plug thread insert in original thread location Set includes one piece drill tap, long tap holder, short tap holder, insert installer, swedger and handle Includes four insert sizes: 5 16", 7 16", 11 16" and 1" (new size). WARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov