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Find Spark Plugs & Spark Plug Wires for your Corvette

Copper Spark Plug (71-91 Corvette C3 & C4)Find parts that fit my vehicle

Item EK-25-917102
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Our Price

$5.99 each

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Copper Spark Plug
      • Nickel Alloy Center and Ground Tip
      • Uses 5/8-Inch Hex Size
      • Diameter of 14mm
      • Limited 2-Year Warranty
      • High-Alumina Multi-Rib Ceramic Insulator
      • Tapered Seat
      • OE Compatible and Comparable
      • Direct Replacement
      • Comes in Singles
      • Fits 1971-1991 Chevrolet Corvette C3 and C4 Models

      Description

      Dependable Ignition Performance. This Copper Spark Plug is engineered to restore smooth and consistent engine performance on your 1971-1991 Chevrolet Corvette C3 or C4. Built with reliable materials and an OE-style design, it delivers solid ignition response, fuel efficiency, and long-lasting operation under a range of driving conditions.

      Construction and Appearance. Featuring a durable nickel alloy center and ground tip, this spark plug offers strong conductivity and improved wear resistance. The 14mm diameter and 5/8-inch hex size ensure easy compatibility with factory cylinder heads. A high-alumina multi-rib ceramic insulator provides excellent dielectric strength and superior heat dissipation, while the tapered seat ensures a secure seal with minimal blow-by.

      Installation. This plug installs quickly with standard tools and requires no modifications. Its OE-compatible design ensures precise threading and seating, making it a straightforward upgrade or replacement for aging ignition components.

      Warranty. This Copper Spark Plug is backed by a limited 2-year warranty, offering coverage against manufacturing defects and early failure under normal operating conditions.

      Application. This Copper Spark Plug fits 1971-1991 Chevrolet Corvette C3 and C4 models. It's a reliable replacement that supports clean ignition, better engine response, and dependable daily driving performance.

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

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 15 Minutes

      Difficulty Level:

      Mechanical expertise or professional installation required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Spark Plug

      Questions & Answers

      No questions about this product yet. Ask the First Question