
VERTEX Cast Piston ref. 22459B
Cast aluminum piston designed for motocross cylinders. Engineered as a replacement part for 250 cm³ engines of the listed KTM models, this piston features a finish suitable for off-road use while remaining compliant with manufacturer specifications.
The precise dimensions (Ø 67.45 / 67.450 mm and bore 67.50 mm) allow for proper restoration when the cylinder is re-bored to size B. Ideal piston for engine maintenance operations after wear or re-boring and compatible with the specified factory tolerances.
Compatibility (examples):
Manufacturer reference: 22459B. Always check the bore size and oversize letter before installation to ensure correct piston-cylinder clearance.