S3 Cylinder Head Kit Stars Mountain KTM EXC 250 TPI 18-23 Husqvarna TE 250 17-23 Gas Gas EC 250 21-23 Blue

The S3 Stars Mountain Cylinder Head Kit for KTM EXC 250 TPI (18-23), Husqvarna TE 250 (17-23), and Gas Gas EC 250 (21-23) represents a high-level performance upgrade in the 2-stroke engine combustion system. This high-quality aluminum machined component optimizes the compression ratio and improves combustion chamber efficiency, resulting in a more energetic engine response and better operating temperature management thanks to its increased fin design. The S3 Cylinder Head is designed to maximize torque at low and mid-ranges, making it ideal for technical enduro applications where controlled power delivery is fundamental. Its installation is a direct replacement solution that ensures greater reliability and a notable improvement in the engine's dynamic performance in the specified models, allowing for more precise adaptation to altitude and terrain conditions.