Priced individually.

8130 paperwork included.

Made in USA

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Two layers of corrosion protection.

Fired glass seal provides positive retention of centre wire and prevents gas leakage.

Plated threads prevents seizing.

Nickel alloy electrodes provide excellent resistance to spark and heat erosion.

Fired in suppressor seal resistor prevents wear from voltage drain for prolonged plug life.

Ceramic insulator resists cracking.