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16 PCS - Bosch 9673 Double Iridium Spark Plugs (FR8SII33X)
Double Iridiumfiring pin and ground electrode inlay provide4Xlonger service life compared to standard copper plugs.
0.6mm fine wire firing pin provides superior ignitability and performance
360° continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability
7 year performance satisfaction
Original equipment,pre-gappedreplacement delivering optimum fit, form and function
Made in Germany, Free Shipping!The Best of OE Technology
OE Replacement
- Extreme durabilityandlongest lifeare achieved through360-degree continuous laser weldingto fuse the iridium firing pin
- Exceptional ignitabilityandperformancecomes from the ultra fine wire design, while the copper core provides broader heat range to eliminate pre-ignition and fouling
Longer Service Life
- Fine wire firing pinreduces voltage requirement
- Copper core ground electrode (when required)provides better heat transfer
No Anti-Seize
- Nickel-plated shell with rolled threadsrequires no anti-seize
- Complete anti-seizeandcorrosion protectionbuilt into the nickel-plated shell
No Gapping Needed
- Ribbed insulator designprevents flashover
