O.S. Off Road .21 (3.5cc) Nitro Engines Engines/Fuel Cars & Trucks

EVO .21 9-Port On-Road Nitro Engine. The R9R is a great option for your 1/8 scale nitro on-road cars. This engine comes equipped with a triple balanced lightened (DLC) coated crankshaft for ...

Road Engine, This updated version features an aluminum carburetor made from pressure die casting to further improve idle stability and tuning, a super powerful 7 ports design, DLC Coated crankshaft and backplate ...

ngine Combo with 2131 Tuned Pipe. This engine is a great option for those wanting maximum bottom and top-end power. The balanced design delivers smooth crisp power with balanced consumption and runtime. A ...

EVO .21 5-Port On-Road Nitro Engine. The G5 is a great option for your 1/8 scale nitro on-road cars. This engine comes equipped with a triple balanced lightened crankshaft for increased snappy ...

5-Port On-Road GT Engine from FX Engines. Engineered and tuned specifically for 1/8 GT racing, this engine offers balanced consumption for longer runtime, providing exceptional performance on the track. Specially modified and ...