Vertex VTK24446B-1 Standard Compression Top End Piston Kit

The Vertex VTK24446B-1 is a complete top end piston kit designed for powersports engines requiring a standard compression, standard bore replacement. Manufactured in Italy, Vertex is the original equipment supplier of pistons to KTM and numerous European motorcycle and powersports manufacturers, making this kit a trusted choice for both professional technicians and DIY mechanics.

Key Features:

• Complete Top End Kit: Includes piston, ring set, wrist pin, circlips, and top end gasket set — everything needed for a full top end rebuild in one part number
• Standard Bore ("B" Grade): Precision-sized to match standard cylinder bore specifications for an optimal piston-to-wall clearance
• Standard Compression: OEM-matching compression ratio for reliable, stock-equivalent power output
• Gravity-Cast Aluminum Alloy Construction: Cast with 18% silicone content, producing an extremely light yet strong piston
• T-5 Heat Treatment: All pistons are heat treated with a T-5 hardening and tempering cycle for enhanced durability
• Molybdenum Disulfide Skirt Coating: High-tech MoS2 coating on all piston skirts promotes faster break-in and extended piston life
• OEM-Quality Rings: All rings meet or exceed OEM replacement specifications
• 2-Stroke Applications: Includes wrist pin bearing where applicable

Vertex top end piston kits streamline the rebuild process by consolidating all critical components into a single, application-specific package. Whether refreshing a worn top end or performing a scheduled rebuild, the VTK24446B-1 delivers the fit and performance consistency expected from a true OEM-tier piston supplier.