NGK Iridium Spark Plug Box of 4 (BKR8EIX)


NGK Iridium core spark plugs, BKR8eix are the go to spark plug for a wide range of high performance engines from Porsche 911’s to GTR’s.

These NGK plugs are meant for high compression or high boost high power engines used in motorsports. We use the BKR8-eix plugs in a huge range of engines in all types of motorsports with great success. If you want a reliable long lasting spark plug the NGK iridium core plugs are for you! Please check out the list below to help ensure you choose the correct heat range NGK spark plugs for your particular engine build. If you have any questions don’t hesitate to contact us, we are here to support you through every step of your build.

19 in stock (can be backordered)

SKU: ngk2668 Categories: ,


NGK Iridium VIII spark plugs (BKR8-eix) are specifically designed for the performance enthusiast. Iridium 8 provides outstanding acceleration, high fuel efficiency and durability. These are “colder than stock” plugs meant for high boost high power engine used in motorsports. We use the BKR8-eix plugs in a huge range of engines in all types of motorsports.

Recommended for the following Engines:

  • Honda K series K20 and K24 300-450whp
  • Toyota 1jz and 2jz 450-650whp
  • Nissan SR20det 400-600whp
  • Nissan RB26, RB25 and RB20 450-650whp
  • Honda B and D series engines 300-450whp
  • Mitsubishi 4g63 DSM and EVO engines 400-550whp

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.

Additional information

Weight 0.44 kg
Dimensions 4 × 3.5 × 0.8 cm













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