NGK Iridium IX Spark Plugs (Set of 4) +1 Step Colder | Gen 2 Turbo MINI Cooper

Designed specifically for the performance enthusiast. Iridium IX S spark plugs offer extreme ignitability, improved throttle response and superior anti-fouling.

• Sold in a set of 4
• Fine Iridium tip ensures high durability and a consistently stable spark
• Platinum Ground Electrode
• 0.6mm laser welded Iridium tip
• 16mm (5/8") standard hex wrenching design
• GAP-preset at 0.024" (0.6mm)
• Iridium alloy has extremely high melting point, perfect for today's high-tech, high-performance engines
• Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
• Outstanding acceleration, high fuel efficiency and durability
• Ultimate design, technology and performance.
• Iridium alloy is extremely durable against heat, corrosion, and electrical wear
• Tapered ground electrode to minimize "quenching effect"

Select desired heat range when ordering.

NOTE:

• Standard heat range Plugs are recommended for ALL Street Driven Turbo MINIs with all levels of modification.
• +1 Colder plugs are intended for cars with extreme performance engine mods, Stage 3 Manic Tunes and sustained high RPM track driving running 100+ octane fuel. Not recommended for street driven cars.  Standard heat range plugs are recommended for all street driven cars.
• Spark Plugs are not refundable or returnable