FX presents the new high-competition 1/8 off-road racing engine K5 DC. The new K5 engine is based on the ultra-successful 5K engine and brings all the refinements and improvements based on the experience gained from previous season's races in the European runner-up titles. The new K5 offers new sealed combustion chamber with larger surface area for better heat transfer to the engine head, new revised light engine head with improved cooling, new carburetor with new needles, the slight carburetor adjustment to improve and provides more linear performance of the internal combustion engine and many more refinements of smallest details based on improved manufacturing processes. The new K5 comes in DC version, which means It has DLC diamond coated crankshaft and high precision German rear ceramic bearings and high quality Japanese front bearing. The K5 is as a separate engine or in a great value combo with muffler and diverse.