- Heli-Coil is the original spark plug port thread repair, with kits offering the highest quality and most durable repair available.
- Contains piloted reamer tap p/n 549 (no drilling necessary), installation tool p/n 548 and 10 inserts.
- 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 service@toolsource.com for cost and lead time.
Heli Coil 550 Spark Plug Port Thread Repair Kit - 7/8-18
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