Troy Bilt Lawn Mower Honda Engine Spark Plug. There will be one spark plug for each engine cylinder. New spark plugs are an essential part of keeping your outdoor power equipment s engine running at its peak performance and efficiency levels.
Torque setting is 14 ft lbs if you have a torque wrench. The outside diameter o d is 1 1 8 x l 4. Free shipping on parts orders over 45.
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The outside diameter o d is 1 1 8 x l 4. Provides increased energy greater efficiency and is more eco friendly. When installing a used plug back into the engine tighten with a plug wrench or socket fingertight then another 1 8 1 4 turn to compress the sealing washer. Designed to increase horsepower and lower emissions.