NGK IRIDIUM IX Spark Plugs HEAT 8 BKR8EIX exterior lowdeflection polyurethane bushings that act

lowdeflection polyurethane bushings that act as bearings to allow for smooth pivoting

Skunk2's Japanese-spec

Skunk2 pioneered the use of one-piece forged ball joints

XP features a higher seat pressure for turbocharged and extreme high RPM motors

50 or later supports to manually configure refresh rate to 10

NGK IRIDIUM IX Spark Plugs HEAT 8 BKR8EIX exterior lowdeflection polyurethane bushings that actNGK Iridium IX Spark Plugs. Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. Fine Iridium tip ensures high durability and a consistently stable spark. Iridium alloy has extremely high melting point, perfect for todays high tech, high performance engines. Trivalent Metal Plating superior anti corrosion and anti seizing properties. Outstanding