Iame engine for X30 Junior class. Prepared for Maximum performance.Tested and approved by Everest Engines Inc. In comparison with a standard out-of-the-box medium engine, it produces 3-5% more power and torque. You get a run-in engine prepared by one of the best specialists in Europe, tested at our dyno-stand or the dyno of our partners, a graph confirming the excellent engine performance compared to a standard engine and recommendations for its operation on the track and its further maintenance. Completed by carburator, cables kit, exhaust system and battery holder. Battery is not included in the supply kit.