Powerbuilt 12mm Back Tap Spark Plug Thread Repair Tool, Straightening Tool, Motorcycle Spark Plugs, Repairs Damaged Threads, Collapsible Design - 641148

Powerbuilt 12mm Back Tap Spark Plug Thread Repair Tool, Straightening Tool, Motorcycle Spark Plugs, Repairs Damaged Threads, Collapsible Design - 641148

• Patented Back-Tap design expands inside spark plug hole to cut and restore damaged 12mm threads from the inside out
• Collapsible tool easily passes through spark plug bore, then expands to repair threads while extracting debris and metal filings
• Efficiently cleans and repairs cross-threaded spark plug holes, helping to avoid costly cylinder head removal and retapping
• Precision thread cutting restores proper thread engagement for secure spark plug installation
• Built by Powerbuilt Tools, known for durable, high-quality tools that meet or exceed US Government and ANSI standards
• Back-Tap 12 millimeter thread straightening tool for motorcycle spark plug fouled threads
• Collapsible design allows it to engage be placed through the spark plug hole and into the chamber
• Expands the tool's threaded area and threading into the clean threads
• Backtap repairs the damaged threads as it is drawn up through the spark plug hole

The back-tap's patented collapsible design allows it to engage be placed through the spark plug hole and into the chamber. A mandrel is then drawn back, expanding the tool's threaded area and threading into the clean threads at the bottom of the spark plug hole. The Backtap repairs the damaged threads as it is drawn up through the spark plug hole, bringing debris and metal filings with it. Made in USA and comes with a lifetime warranty.