
PROX Forged Piston (manufacturer part number 01.6521.A): a replacement part designed for Quad, Cross, and Roadster applications. Made from aluminum, this forged piston meets the specifications 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 specification. It is suitable for the refurbishment of 525 cm³ engines and is aimed at riders and racers looking for an original equipment part for maintenance or engine overhaul.
Examples of compatible vehicles:
Before installation, check the bore, oversize specification, and compatibility with your cylinder/cylinder sleeve kit. Replacement segments are available under part number 277400.