VERTEX Complete Top-End Kit - Forged Replica Piston: designed for the restoration of your motocross top-end, this kit gathers the necessary parts to replace the piston and sealing elements during a rebuild. Forged aluminum piston, oversize B (piston Ø 94.96 mm) suitable for the listed 450 displacements, finished to withstand the demands of off-road use. Ideal for serious maintenance of the cylinder and piston after hours on the track.
Important notes: the kits do not include the ignition or clutch cover gaskets — please plan for these gaskets if you are working on the timing or covers. Depending on the application, the kit includes the connecting rod bearing for 2-strokes or the timing chain for 4-strokes.
- Specifications: bore 95.00 mm / piston Ø 94.96 mm, oversize B, piston compression: Standard, material: aluminum.
- Included: piston, rings, piston pin, circlips, top-end gaskets, needle cage (for 2T applications); 4T kits include a timing chain.
- Manufacturer reference: VTKTC24209B-1
- Universe: Cross — compatible with: GAS GAS EC 450 F (2025), KTM 450 EXC‑F SIX DAYS (2023), HUSQVARNA FE 450 (2023).
This VERTEX kit is aimed at mechanics and riders looking for a complete solution for a reliable top-end rebuild, facilitating disassembly/installation and minimizing trips to the supplier during refurbishment.