Vertex Complete Top End Kit - Replica Forged Piston Cylinder kitRef : VER00389A / 1117190004

VERTEX Complete Top-End Kit - Forged Replica Piston
Designed for motocross applications, this Vertex kit includes the essential components to replace the piston and restore the top end. The forged aluminum piston, in oversize D, provides a replacement solution that meets the specified dimensions: piston diameter Ø 77.98 mm (bore 78.00 mm). Ideal for maintenance operations on the track or at the end of the season, it allows you to start fresh with parts suited to the demands of the terrain.

• forged aluminum piston (Replica)
• rings
• piston pin
• circlips
• top-end gaskets
• needle cage (for 2T applications)
• 4T versions include a timing chain

Technical specifications:
Piston compression: Standard
Bore diameter (mm): 78.00
Piston diameter: Ø 77.980 mm
Oversize letter: D
Material: Aluminum

Important note: top-end kits do not include ignition or clutch cover gaskets — remember to order them separately if you are working on the timing or changing the timing chain. Check compatibility with your machine before installation.

Manufacturer reference: VTKTC24509D
Frequently searched compatibility: KAWASAKI KX 250 (KX252C 2022 / KX252B 2021).