
PROX Cast Piston - Manufacturer Ref. 01.6228.A
Replacement piston for Cross displacements, designed for KTM 144/150 SX engines (models listed below). Cast aluminum piston with a flat head and skirt treated with MoS2 to reduce mechanical friction. Oversize "A": diameter Ø 55.94 mm (55.940 mm).
This piston is intended for engine preparations requiring an oversize A and a skirt finish designed to reduce wear and operating noise. A part suited for the motocross world, it is suitable for maintenance or engine rebuilds where the specified diameter is required.
Always check compatibility with your cylinder and engine tolerances before installation. Professional installation is recommended to ensure proper piston/ring clearance and assembly timing.