
Replace your worn piston with this PROX cast model designed for quad and motocross practices. Made from aluminum, this piston offers a reliable replacement solution during a re-bore or engine overhaul on the mentioned 400 cc engines. Its cast piston design ensures manufacturing suitable for off-road applications where reliability is paramount.
This piston is aimed at riders and mechanics looking for a suitable replacement part for the 400 cc engines commonly found in quads and motocross. It is particularly suitable during a re-bore to size A or a standard engine refurbishment. Installation and wear checks are mandatory before returning to service to ensure proper piston/cylinder clearance alignment.
Main Compatibilities: