Features & Benefits The only iridium spark plug line engineered for both High Performance and Long Life. The laser welded iridium tipped center and ground electrodes (Double Iridium) provide exceptionally Long Life. 4x longer service life vs standard copper spark plugs Ultra fine wire iridium center electrode requires less voltage to fire delivering exceptional ignitability Factory set pre-gap ensures ease of installation BOSCH exclusive tapered laser-welded iridium alloy tipped ground electrode delivers the ultimate in high performance Product Details Part Number: 9621 Weight: 0.12lbs Notes: Enter your vehicle information above to see product notes. Metal Type: Iridium Center Electrode Tip Material: Iridium Drive Size: 14 mm Ground Electrode Tip Material: Nickel-Yttrium and Iridium Insulator Material: Ceramic Insulator Type: Projected Package Quantity: 1 Resistor: Yes Seat Style: Gasket Spark Plug Type: 4-Cycle Thread Size: 26 mm

Year of Manufacture : 2000