The heavy-duty ground and center electrodes provide consistent performance over a long service life
Nickel-plated rolled threads for superior ani-seize and corrosion protection
Five-rib insulator prevents misfire due to current leakage
Product Review
Product Description
Bosch OE Type Copper spark plugs feature a heavy duty copper core center electrode for superior reliability and increased resistance to spark erosion. The metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage.