Bosch OE Type Copper spark plugs feature a heavy duty copper core center electrode for superior reliability and increased resistance to spark erosion.á The metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage.
Bosch OE Type Copper spark plugs feature a heavy duty copper core center electrode for superior reliability and increased resistance to spark erosion.á The metal glass fused resistor allows for maximum interference suppre...
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