This is the CM-6 Spark Plug for use on the DLE 55cc and the DLE 30cc Gasoline Engines. FEATURES: Replacement plug for the DLE 55cc and the DLE 30cc engines use on other DLE engines INCLUDES: One CM-6 Spark Plug with Washer SPECS: Gap, 0.018-0.020" (0.45-0.51mm)