The Tamiya 50504 Spare Gear Case is a practical replacement part for hobbyists needing to service or restore F103 chassis Formula 1 cars. It is geared toward on-road racers and modelers who want a direct-fit service item.
This gear case fits widely used F103 chassis variants including the Lotus 107B Ford, Footwork FA13 Mugen, Jordan 191, and Sauber. The kit arrives with the required parts and screws to slot into your existing assembly.
All components are produced in quality black plastic for reliable wear resistance. Parts are clearly numbered to match the Tamiya instruction manual, making repairs and reassembly straightforward.
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