TOP END PISTON KIT VERTEX 76.95MM YAMAHA WR250F 20-23 YZ250F 19-23 YZ250FX 19-20

Vertex Pistons, manufactured in Italy, are renowned as a premier brand of replacement pistons globally, trusted by OEMs such as KTM, Husqvarna, Beta, and Gas Gas. The company collaborates with factory race teams to design state-of-the-art, high-quality pistons suitable for nearly any powersports application, ensuring they maintain their commitment to quality while offering products at an affordable price. Features: - Comprehensive Kits: Vertex piston kits include the piston, rings, wrist pin, and circlips, providing everything needed for installation. - Advanced Treatments: Pistons undergo a T-6 hardening and tempering cycle and feature a molybdenum disulphide skirt coating to reduce wear and ease the break-in phase. Specifics for Engine Types: 4-Stroke Pistons: - Material: Forged from high-quality 2618 aluminum alloy to handle higher cylinder pressures. - Design: Feature unique profiles and compression ratios, available in A, B, C, and D sizes, to maximize power and performance while reducing blow-by and oil consumption. 2-Stroke Pistons: - Material: Cast from an aluminum alloy with 18% silicon content, ideal for two-stroke engines due to lower cylinder pressures. Benefits of Silicon: - Reduces thermal expansion, allowing for tighter tolerances and better performance. - Enhances wear characteristics and extends piston life by decreasing wear on the piston skirt. Vertex's precision engineering and collaboration with leading racing teams ensure that their pistons meet the highest standards for performance and durability, making them a top choice for powersports enthusiasts seeking quality and reliability.