Vertex Top End Piston Kit Cylinder kitRef : VER00578A / 1128191003

VERTEX High-Performance Kit — Ref. VTK24212C-2

Designed for motocross competition and suitable for 2-stroke engines, this Vertex high-performance kit is aimed at riders looking for a reliable replacement part for their 85 cc. The piston is gravity cast from an aluminum alloy containing approximately 18% silicon, a material choice that limits thermal expansion and improves dimensional stability at high temperatures. These features help maintain tight tolerances and provide better wear resistance of the piston crown over the long term.

Main Features

• Piston Compression: Standard
• Piston Diameter: Ø 46.960 mm (Ø 46.96 mm)
• Oversize Letter: C
• Material: Aluminum (silicon alloy ~18%)
• Engine Type: 2T

This kit is suitable as an original or replacement part for 2-stroke 85 cc engines used in motocross. The use of a Vertex cast piston promotes stable engine performance under intense operation while remaining compatible with standard compression settings.

Compatible with models

• 85 SX (18-23); 85 SX BW (18-23); MC 85 (21); MC 85 1714 (22-23); MC 85 1916 (21-23); TC 85 (18-23); TC 85 BW (23)