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OEM cross-reference part number 8E0260403B ensures exact fitment
pliable texture prevents scratches and is safe for all clear coats and delicate finishes
flat beam pattern
Accurate air measurement: Ensures precise air-fuel ratio for smooth performance
Porsche Spark Plug 99917022890 Valve Cover Gasket OEM cross-reference part number 8E0260403BThe spark plug is a critical component to the proper running engine. In a conventional gasoline engine, the air fuel mixture is ignited by the spark plug to drive the piston down and convert this energy to horsepower. If your spark plugs arent in good shape, this crucial process can be severely hindered to the point of power loss, hesitation, misfires, and poor start up performance. Typical service schedule for standard copper tip spark plugs is
