ACDelco #41-979 Professional Double Platinum Spark Plug (Pack of 1) Fits select: 2009-2010 FORD F150, 1995-2005 BUICK LESABRE

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal. Reduces radio frequency and engine interference, regulates spark plug energy and seals against compression pressures for long life; Double platinum point pad on center and ground electrode offer increased durability and consistent voltage demands to reduce wear on ignition system; 100% Pure Copper Core results in cooler electrode temperature for enhanced durability and superior fouling resistance

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal. Reduces radio frequency and engine interference, regulates spark plug energy and seals against compression pressures for long life. Double platinum point pad on center and ground electrode offer increased durability and consistent voltage demands to reduce wear on ignition system. 100% Pure Copper Core results in cooler electrode temperature for enhanced durability and superior fouling resistance.