NGK - Iridium IX Spark Plugs LFR7AIX (2309) rb25 or an E36 M3 relocator

or an E36 M3 relocator pillow — recommended as the simplest

4 steel spcers and 4 side seals

APR offers a range of Formula GT3 Mirror Accessories

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This size is rated over 45 psi working pressure and 250 psi burst pressure

NGK - Iridium IX Spark Plugs LFR7AIX (2309) rb25 or an E36 M3 relocatorNGK Iridium IX spark plugs feature an ultra fine center electrode that's designed just thick enough to ensure the maximum durability and life of the spark plugsand just thin enough to create an accurate and consistent spark. They represent the ultimate evolution of spark plug technology and performance. Iridium is the hardest metal used in spark plugs todaysix times harder than platinum. This allowed NGK engineers to reduce the voltage requirement for