NGK Iridium Spark Plug Kit (987.1)


Designed to fit

  • 2005 - 2008 Porsche Cayman & Boxster (987.1)

Product Details

Note: Includes (8) NGK BKR7EIX Spark Plugs

NGK IX Iridium Series 14mm spark plugs were designed specifically for the performance enthusiast. Purchase this NGK Iridium spark plug kit online.


  • Fine wire center electrode ensures high durability and a consistently stable spark
  • Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage


    • Thread Size: 14mm
    • Thread Pitch: 1.25mm
    • Seat Type: Gasket
    • Resistor Value: 5K Ohm
    • Reach: 19mm (3/4")
    • Hex Size: 5/8" (16mm)
    • Terminal Type: Solid
    • Overall Height: ISO
    • Gap: .031" (0.8mm)
    • Warranty: 1 Year
    • Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
    • Brand: NGK
    • Heat Range: 7
    • Longevity: 50k Miles


    About NGK Inc.

    NGK Logo

    NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.