BOSCH 4478 Spark Plug

Center Electrode Core Material: Nickel-Yttrium and Copper and Platinum
Center Electrode Tip Material: Platinum
Drive Size: 20.8mm
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Ground Electrode Tip Material: Nickel-Yttrium
Insulator Material: Ceramic
Insulator Type: Projected
Internet Product Code (IPC): 405831D466D
Item has MSDS?: N
MFG Brand Name: BOSCH
MFG Model # (Series): 4478
MFG Name: ROBERT BOSCH LLC
Manufacturer Heat Range Number: 8
Resistor: Yes
Seat Style: Gasket
Short Style: No
Supplier Company Name: Robert Bosch LLC
ThreadSize: 19