Champion Spark Plug 4025 Package of 2 Spark Plugs

Truck Plugs are engineered specifically for pickups, SUV's and vans. A massive copper core center electrode has over 120 percent of the spark area of conventional plugs lending toward a longer life in heavy duty performance needs. The copper core ground electrode dissipates heat faster than a conventional plug. A black glazed zirconia enhanced ceramic insulator offers 40 percent more strength for durability under rough driving conditions.