Blue Line Rocker Arm Assembly (Type 2, 69mm); QMB139

Blue Line Rocker Arm Assembly (Type 2, 69mm); QMB139 This rocker arm assembly is for Type 2 QMB139 engines.Type 1 has a shorter head and 64mm valve stem length.If you have 69mm valve stem length and a taller head, you have the Type 2 engine.Product is intended as OEM equivalent for listed models. Any misuse, alteration or alternative application is prohibited by law.