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Spark Plug Port Thread Repair Kit - 7/8-18 HEL550 - Heli Coil Products

Part #: 550

The Heli-Coil 550 Spark Plug Port Thread Repair Kit offers a professional-grade, durable solution for repairing damaged 7/8-18 spark plug threads. Engineered by Heli-Coil Products, the original manufacturer of thread repair systems, this kit ensures a high-quality restoration of critical engine components. It is designed for mechanics and technicians requiring reliable and lasting repairs in various automotive and industrial applications.

Key Features

  • Comprehensive Kit: Includes a piloted reamer tap (p/n 549), an installation tool (p/n 548), and 10 precision-engineered inserts.
  • No Drilling Necessary: The piloted reamer tap is designed to be used without pre-drilling, simplifying the repair process.
  • Durable Thread Restoration: Utilizes Heli-Coil's proven technology to create strong, permanent thread repairs.
  • Specific Thread Compatibility: Tailored for 7/8-18 spark plug port threads, ensuring precise fitment and effectiveness.
  • Professional-Grade Quality: Manufactured by Heli-Coil Products, known for consistent performance and reliability in thread repair.

Applications

This kit is an essential tool for professional technicians addressing stripped, damaged, or corroded 7/8-18 spark plug port threads in engine cylinder heads. It is ideal for use in automotive repair shops, industrial maintenance facilities, and any setting where reliable spark plug seating and sealing are critical. The kit effectively repairs damage caused by overtightening, cross-threading, or general wear, restoring the integrity of the spark plug connection and preventing further issues.

Note: Do NOT use Heli-Coil wire inserts to repair taper seat spark plug ports.


This item may not be available for immediate shipment; please email [email protected] for cost and lead time.

This product was added to our catalog on Monday 12 February, 2007.