Bosch Spark Plug P/N:9780

Bosch Iridium Spark Plugs are engineered to deliver both high performance and long life, representing the best of OE spark plug technology. The ultra-fine wire iridium center electrode firing pin delivers best performance. Unlock the performance in your engine with Bosch Iridium Spark Plugs.

• 360 degree continuous laser welded center electrode provides unmatched resistance to thermal shock that can occur in today's high performance engines
• Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize - saving time
• Copper core provides broader heat range to resist pre-ignition and fouling
• Iridium center electrode firing pin provides exceptional ignitability
• Factory-set pre-gap ensures ease of installation