BOSCH 9659 OE Fine Wire Double Iridium Spark Plug - Pack of 4

Bosch Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing advanced original equipment (OE) spark plug technology. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and iridium ground electrode inlay help it to go the distance. OE-matched spark position ensures compatibility with Gasoline Direct Injection (GDI) technology used in modern gas engines. Bosch Double Iridium Spark Plugs are pre-gapped at the factory and feature nickel plated rolled threads that require no anti-seize, for simple, easy installation right out of the box. Unlock the performance in your engine with Bosch Double Iridium Spark Plugs.

• Bosch Double Iridium Spark Plugs feature both an iridium firing pin and an iridium ground electrode inlay that offer higher performance and 4X longer life compared to standard copper spark plugs
• 360-degree laser welded ultra-fine wire iridium firing pin provides better ignitability - reducing voltage requirements up to 24% - and enhanced durability
• Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize - making installation quick and easy
• Bosch Double Iridium spark plugs are pre-gapped at the factory and ready to install right out of the box - gap adjustment prior to installation not required
• Meets or exceeds manufacturer design requirements for OE fit, form, and function for modern gasoline engines - including Gasoline Direct Injection (GDI) engines
• Compatible with select vehicles from the following manufacturers (Note: year, make, model, and engine affects fitment - verify specific fitment details with amazon confirmed fit fit checker above): 1968-93 Buick; 1980-92 Cadillac; 1970-95 Chevrolet
• Compatible with (continued): 1976-90 Dodge; 1964-98 Ford; 1971-95 GMC; 1970 Jeep; 1980-92 Lincoln; 1970-93 Mercury; 1977-94 Oldsmobile; 1976-77 Plymouth; 1972-92 Pontiac