BOSCH 7403 Copper with Nickel Spark Plug - Single

Product description

• Heavy-duty yttrium enhanced nickel-copper center electrode ensures superior reliability and durability for up to 50% longer performance life vs. standard copper plugs
• Copper core provides broader heat range to resist pre-ignition and deposit build-up
• Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize - saving time
• Angled, ribbed insulator design prevents misfire due to flash-over
• Metal glass fused resistor maximizes interference suppression
• Compatible with select vehicles (Note: engine affects fitment - verify specific fitment details with amazon confirmed fit fit checker above): PORSCHE: 1989-95 911