Saito 4-Stroke Engines Rocker Arm Screw Nut (2 Set).

Compatible Engines:

• FA-120S 4-Stroke Glow Engine
• FA-120S(H) 4-Stroke Glow Engine
• FA-120SGK 4-Stroke Glow Engine
• FA-150B 4-Stroke Glow Engine
• FA-150BGK 4-Stroke Glow Engine
• FA-450R3D 4-Stroke Radial Glow Engine
• FG-50 4-Stroke Petrol Engine
• FG-57TS 4-Stroke Twin Petrol Engine
• FG-61TS 4-Stroke Twin Petrol Engine
• FG-120TS 4-Stroke Twin Petrol Engine
• FG-84R3 4-Stroke Radial Petrol Engine
• FG-90R3 4-Stroke Radial Petrol Engine