ROTARY SPARK PLUG

A standard compact resistor spark plug primarily engineered for small, four-stroke outdoor power equipment comparable to NGK CMR5H. It is widely used in handheld garden tools requiring a compact "bantam" size plug. Fits Honda Engines: Powering GX25, GX35, and GX50 series mini 4-stroke engines and Stihl Trimmers: Fits 4-Mix hybrid 4-stroke engines found in trimmers like the FS100RX, FS110, and FS130R. Min 10