Get ready for the race with the Axial 21RR-1 engine. This high-powered 2-stroke engine comes with a slide carb SG, crank, and rear exhaust, providing the perfect combination for a winning performance. The engine is compatible with HPI, Kyosho, Serpent, and Losi brands, and can be used with nitro and glow fuel.

With a displacement of 3.5ccm, this engine is perfect for 1:8 scale trucks, buggies, and cars. The Axial 21RR-1 is a must-have for any racing enthusiast who wants to dominate the competition.