This part replaces the older part number 14410-ZE2-003. It is built to precise tolerances to maintain the correct “valve lash” (clearance), which is essential for engine timing and power. Primary Application: Specifically engineered for Honda GX240 (8HP) and GX270 (9HP) engines. Secondary Fitment: Also used in some configurations of GX340 (11HP) and GX390 (13HP) engines, as well as GXV270 vertical shaft engines. Common Equipment: Found in heavy-duty generators (EB/EG/EM series), water pumps (WT30X), snow blowers (HS80), and commercial pressure washers.