Ford Lincoln Raptor Spark Plug SP-515 PZH14F, Iridium Long-Life Ignition Core

KLP iridium spark plug PZH14F SP-515 is a direct replacement for Ford/Lincoln Raptor factory plugs; broad compatibility for 2000s Ford models. Provides stable ignition; iridium electrode offers long life and efficient burn, reduces carbon buildup. Post-install improves starting smoothness and acceleration response and reduces fuel consumption. If idle jitter, weak acceleration, or sudden fuel increase occur, spark plugs aging is likely; replace promptly.