PLAT+4 PRICE EA. 4/PK

BOSCH Platinum, Plus Four Spark Plug, 4459: Center electrode — 360 degree continuous laser welding to fuse the platinum firing pin promotes durability and longer life Fine wire design delivers better ignitability and performance Copper core provides broader heat range to resist pre-ignition and fouling Ground electrode — laser welded platinum inlay promotes durability and longer life, and the copper core (when required) provides broader heat range to resist pre-ignition Nickel-plated shell with rolled threads — provides complete anti-seize and corrosion protection Ribbed insulator design — prevents misfires due to flash-over Pre-gapped — no need to gap for faster installation 6-year performance satisfaction guarantee — gives you miles of worry-free driving