5100.4724.1 Spark Plugs BR9ES - Pack of 4

Product Description

Every year the range of NGK spark plugs grows to accommodate the ever increasing demands of modern engines. Spark plug design must take into consideration many features of an engine including physical dimensions; combustion chamber shape; cooling abilities; fuel and ignition systems. Spark plugs play a vital role in producing the maximum power from an engine whilst keeping fuel consumption and emissions to a minimum. Choosing the correct spark plug type will help a vehicle manufacturer meet legislated emission targets and assists the motorist in getting the best from their engine. Increases in the size and the requirement to improve the cooling of the inlet and exhaust valves have meant tha…