Description
Description
NGK Spark Plugs 7421 Spark Plug 7421
Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life.
•?Triple gasket sealing process eliminates gas leakage past the shell
•?99% Highly pure alumina silicate insulator, solid copper core
•?Trivalent plating – silver chromate and zinc for corrosion resistance
| UPC: | 41-BMR6A |
| MPN: | 7421 |
| Model #: | 7421 |
| Pack: | 10 |
| Pkg.: | Boxed |
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