NGK Iridium BKR4EIX Spark Plugs 2009-mazda-rx-8-esi2644291 This groundbreaking development provides Turbosmart

This groundbreaking development provides Turbosmart customers the data they need to monitor their vehicle's performance more accurately than ever before

Before cranking up the boost in your flat four

Cusco Nissan Skyline GT-R R33 Strut Tower Brace Type 40 - Front

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NGK Iridium BKR4EIX Spark Plugs 2009-mazda-rx-8-esi2644291 This groundbreaking development provides TurbosmartNGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high