Porsche Spark Plug 99917022390 Thermostat High-quality materials: Provides a durable

High-quality materials: Provides a durable seal to prevent leakage

and 028117021E

It is remanufactured to OE specifications and restores proper steering assistance

preventing stalling and rough idle

Porsche Spark Plug 99917022390 Thermostat High-quality materials: Provides a durableThe 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