Manufacturer's Part Number:
Summit Racing Part Number:
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Heli-Coil has the most effective and universally accepted method of thread repair. These Heli-Coil inserts work in any part or material--aluminum, magnesium, cast iron, bronze, etc. Damaged threads can be restored to better-than-new condition in spark plug ports, carburetor fuel inlets, transmission housings, oil drain plugs, exhaust and intake manifolds, head bolt holes, brake calipers, and more. They are available in many sizes.