Bosch

7978

Bosch (7978) HR9DC+ Super Plus Spark Plug, (Pack of 1)

EAN: 0826732301365

UPC: 028851018289

SKU: rm-BOA-7978

Spark Plugs & Wires

Heavy-duty yttrium-enhanced copper core center electrode for superior reliability and increased resistance to spark erosion for a 50% longer performance life vs. even OE plugs
Tapered, v-profile nickel chromium ground electrodes improves cold start performance and increases fuel ignitability
Angular, five-ribbed insulator design prevents misfire due to current leakage
Nickel-plated rolled threads provides complete anti-seize and corrosion protection
Metal glass fused resistor maximizes interference suppression

Bosch Super Plus spark plug has a premium copper core plus yttrium enhanced center electrode providing extended performance life over conventional copper core spark plugs.

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