Vertex Complete Top End Kit - Casted Piston Cylinder kitRef : VER00409A / 1121201004

VERTEX Complete Top-End Kit - Cast Piston (Manufacturer part number: VTK24244D-1). This top-end kit includes everything essential for a clean and quick restoration of the piston/cylinder assembly on your motocross machine. Designed to facilitate work in the workshop as well as in the paddock, it eliminates the need for back-and-forth trips and searching for scattered parts.

• Kit contents: cast aluminum piston, rings, piston pin, circlips, top-end gaskets, needle bearing (2T applications). 4T kits include a timing chain.
• Technical specifications:
  • Piston compression: Standard
  • Bore diameter: 72.00 mm
  • Piston diameter: Ø 71.955 mm (oversize D — indicative Ø 71.96 mm)
  • Material: aluminum

This kit is suitable for motocross displacements equipped with oversize D and facilitates the complete replacement of the top-end without surprises. Ideal for mechanics, preparers, and riders who want a ready-to-install part and a restoration of sealing and piston-cylinder clearance that meets manufacturer tolerances.

Compatibilities (examples): KTM 300 SX (2025), HUSQVARNA TE 300 PRO (2025), GAS GAS EC 300 (2025).