Cast Iron Cylinder Head Crack Repair Cold Stitching Kit
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2. Instead of scrapping the head, we’ll repair it with a process called cold stitching, where tapered plugs fill in the crack. Unlike welding, no heat is used so the threats of warped metal and burned skin are avoided. Readily available in many sizes from Pioneer, we chose 3⁄16-root-diameter plugs (PN TP-235) and a matched threading bit (PN 530235). View Related Article
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