The Bosch Super Plus Spark Plug utilizes an yttrium enhanced copper core center electrode, making it one of the longest lasting copper core spark plug on the market - by 50% versus even OE plugs. Bosch Super Plus also features a tapered, v-profile ground electrode for improved cold starts and better fuel ignitability. Center Electrode Core Material: Nickel-Yttrium and Copper - Center Electrode Tip Material: Nickel-Yttrium - Ground Electrode Tip Material: Nickel-Chromium
Product Features:
OE-Equivalent and direct fit application.
Heavy-duty yttrium-enhanced copper core center electrode.
Electrode gap is factory set and never requires adjustment.
Anti-seize and corrosion protection. Bosch Super Plus Spark Plugs deliver quality performance based on technology that's proven on racetracks around the world in the most sophisticated racing engines