
PROX Forged Piston (manufacturer part no. 01.6521.A): a replacement part designed for Quad, Cross, and Roadster universes. Made from aluminium, this forged piston meets the dimensions and tolerances for a clean and durable reassembly in the referenced 525 cm³ engines.
This piston features a diameter of 94.94 mm with oversize A, intended for cylinders compatible with this dimension. It is suitable for the refurbishment of 525 cm³ engines and is aimed at motorcyclists and riders looking for an original equipment part for maintenance or engine refurbishment.
Examples of compatible vehicles:
Before installation, check the bore, oversize dimension, and compatibility with your cylinder/sleeve kit. Replacement segments are available under part no. 277400.