- BOSCH SUPER PLUS SPARK PLUG
- 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
RM34.90