XP63 — Iridium XP Spark Plug

• Engineered with an Iridium-enhanced center electrode and fine-wire design that increases ignitability and provides a more focused ignition for improved engine performance.
• Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the plug.
• The tapered ground wire improves engine ignitability.
• Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
• Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
• Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.

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