BOSCH 6727 OE Fine Wire Platinum Spark Plug - Pack of 4

Bosch OE Fine Wire Platinum Spark Plugs deliver improved ignitability and fuel efficiency. The fine wire design with a platinum firing pin on the center electrode and tapered ground electrode are an economical upgrade from conventional copper core spark plugs. Nickel plated, rolled threads, combined with a factory preset gap, ensure simple, easy installation right out of the box - no anti-seize or gapping necessary. Engineered to meet or exceed Original Equipment specifications for platinum spark plugs.

• Bosch OE Fine Wire Platinum Spark Plugs feature a specially engineered, yttrium enhanced ground electrode that provides 2X longer service life compared to standard copper plugs
• Unique 360 degree, continuous laser welded fine wire platinum firing pin design delivers better corrosion resistance, ignitability, and performance
• Ribbed insulator design seals tightly against the wire boot preventing misfires due to flash-over
• Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation
• Bosch Platinum spark plugs are pre-gapped at the factory and do not require a gap adjustment prior to installation
• Compatible with select vehicles (Note: engine affects fitment - verify specific fitment details with amazon confirmed fit fit checker above): MAZDA: 2006-13 3, 2009-13 3 Sport, 2008-10,2012-17 5, 2006-13 6, 2010-12 CX-7, 2006-15 Miata, 2009-11 Tribute