NGK Spark Plug Pack Laser Iridium BMW N54 135i / 1M / M2 / 335i

These NGK high performance iridium IX spark plugs are one of the most popular ugrade on tuned BMW 135i / 1M / M2 / 335i N54 engines. 2 heat range cooler than OEM, it provides great heat transfer and spark stability for Stage 2 +420hp

Specifications:

• Direct bolt on
• Sold as set of 6 pieces
• Iridium Technology
• Made in Japan