Description
Denso’S Standard Plugs Have Always Offered A Patented U-Groove Ground Electrode Producing For A Larger, Hotter Spark. Copper Core For Better Thermal Conductivity. Machine Rolled Threads To Reduce Cross-Threading And Seizing . The Plug Insulator Is Constructed Of Purified Alumina Powder For Extreme Stress With 5 Ribs To Prevent Flashover.






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