S3 Cylinder Head Kit Stars Mountain Gas Gas EC 300 18-20 Rieju MR 300 21-24 Red

The S3 Stars Mountain Cylinder Head Kit for Gas Gas EC 300 (18-20) and Rieju MR 300 (21-24) in red finish is a high-end performance upgrade component designed to optimize thermal performance and response of the 2-stroke engine. This kit replaces the stock cylinder head, improving compression management and heat dissipation through an optimized combustion chamber design and greater cooling capacity. Made of CNC-machined aluminum with rigorous quality control, it guarantees a perfect fit on Gas Gas EC 300 and Rieju MR 300 models. The use of this component allows for more linear torque delivery and greater efficiency in the thermal cycle, being the ideal solution for users looking to improve mechanical reliability in extreme enduro or competition conditions, where thermal management is critical to maintaining constant power.