8 Pack Bosch 9603 FR7KII33X Double Iridium Spark Plugs
The Bosch 9603 FR7KII33X Double Iridium Spark Plug delivers maximum durability, consistent ignition performance, and extended service life for modern engines.
- ð§ Double Iridium electrodes provide superior longevity
- ð§ Nickel-plated shell protects against corrosion and seizing
- ð§ OEM-style fit ensures quick and reliable installation
- ð§ Fine-wire design improves ignitability and fuel efficiency
âï¸ BrandBosch
âï¸ Part Number9603
âï¸ TypeDouble Iridium
âï¸ Thread Size14 mm
âï¸ Reach19 mm (3/4")
âï¸ Hex Size16 mm (5/8")
âï¸ Seat TypeTapered
âï¸ Heat Range7
âï¸ ResistorYes