
VERTEX Complete Top-End Kit - Replica Forged Piston (Manufacturer part number: VTKTC24209C-1): a complete set designed for the restoration of the top end of motocross machines. This kit includes all the necessary components to replace the piston and associated parts, making the overhaul easier and saving time during the disassembly of the cylinder and piston.
Important: top-end kits do not include ignition or clutch cover gaskets. Please ensure to obtain these gaskets if your work involves disassembling the cases. The 2T kits come with a needle cage for the crankpin; the 4T kits include a timing chain depending on the application.
Designed for the Cross environment, this kit is suitable for modifications and repairs on 450 cc enduro/cross bikes — specifically used on GAS GAS EC 450 F (2025), KTM 450 EXC-F SIX DAYS (2023), and HUSQVARNA FE 450 (2023). A reliable parts studio to restore proper sealing and clearance of the piston and cylinder during a top-end rebuild.