Vertex Complete Top End Kit - Replica Forged Piston Cylinder kitRef : VER00351A / 1096685001

Manufacturer reference: VTKTC24448A
Brand: VERTEX

Complete VERTEX top-end kit - Replica forged piston, designed for interventions on motocross engines. This kit includes the essential parts to replace the piston and ensure a clean top-end rebuild: forged aluminum piston, suitable rings, and mounting accessories. Delivered in oversize "A" with a bore diameter of 97.00 mm and piston diameter Ø 96.950 mm (Ø 96.95 mm).

• Included:
  • forged piston
  • rings
  • piston pin
  • circlips
  • top-end gaskets
  • needle cage (2T applications)
  • 4T kits include a timing chain
• Main features:
  • Piston compression: Standard
  • Bore diameter (mm): 97.00
  • Piston diameter: Ø 96.950 mm (oversize letter: A)
  • Material: aluminum (forged piston)

This kit is suitable for restorations and engine preparations on motocross machines. Commonly compatible models: FANTIC XXF 450 (2026), YAMAHA WR 450 F (2023), FANTIC XEF 450 (2025) — check the exact reference and bore tolerances before installation. Note: top-end kits do not include ignition or clutch cover gaskets — make sure to order them if you plan to replace the timing chain or perform a complete engine teardown.