Yttrium-enhanced copper core center electrode for 50% longer service life.
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. Testing has confirmed the durability of yttrium-enhanced center electrodes. Now Bosch brings these benefits to you in Bosch Super Plus, the longest-lasting copper core spark plug on the market.
| Bosch Super Plus Features |
Bosch Super Plus Benefits |
| Heavy-duty yttrium-enhanced copper core center electrode |
Superior reliability and durability for 50% longer performance life vs. even OE plugs |
| Tapered, v-profile nickel chromium ground electrode |
Improved starting in cold weather and increased fuel ignitability |
| Nickel-plated rolled threads |
Complete anti-seize and corrosion protection |
| Metal glass fused resistor |
Maximum interference suppression |
| Angular, five-ribbed insulator design |
Prevents misfire due to current leakage |
