O.S. Outer Head OS Speed R21GT (OSMG4890)

The O.S. Outer Head OS Speed R21GT is a vital component for advanced RC enthusiasts seeking high performance in their vehicles. This outer head is specifically designed to enhance the functionality of the OS Speed R21GT engine, promising improved tuning capabilities and overall performance. Engineered with precision, it contributes to optimal engine cooling, ensuring that your RC vehicle operates efficiently during intense sessions. Upgrade your setup with this reliable external head to experience the full potential of your RC engine.