Vertex Complete Top End Kit - Replica Forged Piston Cylinder kitRef : VER00379A / 1117187001

The complete VERTEX top-end kit - Forged Piston Replica (manufacturer part number VTKTC24367A-1) is designed for motocross riders seeking a reliable replacement part for the cylinder head and piston. This kit includes all the necessary components for a clean and quick reassembly of the top-end, featuring a forged aluminum piston, engineered to meet manufacturer specifications in oversize category "A".

Note: the kits do not include ignition or clutch cover gaskets — be sure to order them separately if you are replacing the timing chain. Depending on the application, the contents include the necessary parts for either 2T or 4T to simplify workshop intervention.

• Forged aluminum piston (Replica)
• Rings
• Piston pin
• Circlips
• Top-end gaskets
• Needle bearing (for 2T applications)
• The 4T kits include a timing chain

Main features: Piston compression: Standard · Bore diameter: 96.00 mm · Piston diameter: Ø 95.960 mm (oversize letter: A) · Material: aluminum.

Compatible with several recent motocross models, including the HONDA CRF 450 (2025–2026) listed as a reference. This VERTEX kit allows you to renew the top-end with components suited to the specified bore tolerances.