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Find Spark Plugs & Spark Plug Wires for your Corvette

Iridium XP Spark Plug (86-91 Corvette C4)Find parts that fit my vehicle

Item EK-25-917118
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$22.99

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      Product Information

      Features, Description, Q&A

      Features

      • Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the 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.
      • 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.

      Description

      Autolite® Iridium XP spark plugs are engineered with an iridium-enhanced fine-wire and a proprietary, platinum ground electrode, to increase durability*, while its tapered ground wire maximizes engine efficiency, delivering improved engine performance, fuel efficiency, acceleration, and ignitability.

      Fitment:

      • 1986 Chevrolet Corvette
      • 1987 Chevrolet Corvette
      • 1988 Chevrolet Corvette
      • 1989 Chevrolet Corvette
      • 1990 Chevrolet Corvette
      • 1991 Chevrolet Corvette

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Questions & Answers

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