Oregon Spark Plug Cj7y, Ws7f 77-300-1

Product DescriptionReplacement Spark Plug for CHAMPION CJ7Y BOSCH WS7F Manufactured by Oregon OREGON Spark Plugs are specially designed for chain saw, brush cutter and lawn mower applications. They work very reliably at idle and also maximum output which is the main requirement for these demanding applications. OREGON Spark Plugs are designed to prevent the combustion deposits which cause misfiring and internal damage. Their special design provides durability and high resistance to vibration.