ProTek RC CR21 Cooling Head. This replacement cooling head is made from CNC machined aluminum. The head has been drilled to increase the surface cooling area, as well as to remove weight for reduced center of gravity. Package includes one cooling head.
This product was added to our catalog on September 21, 2022
This is an optional ProTek R/C Aluminum Samurai ...
RM, S03 and R03 Carburetor Restrictor. Available in 6mm through 8mm diameters, ProTek R/C carb restrictors are an excellent way to tune the power delivery of your Samurai 321B for any track ...
This is an optional ProTek R/C Aluminum "Elliptical" ...
Samurai 321B Carburetor Restrictor. Featuring a unique oval shape, ProTek R/C Elliptical carb restrictors provide improved fuel mileage, with a more progressive power delivery that is smooth on the bottom, and ramps ...
replacement head button is intended for the CR21. The combustion chamber is polished smooth to promote engine performance. The head button is installed between the engine case and the cooling head. Package ...
Carburetor. Package includes one replacement factory assembled S03 carburetor. This can also be used with the Samurai R03 .21 engines as a tuning option when increased runtime and smoother power delivery is needed. ...