
PROX Forged Piston (manufacturer part number: 01.6419.B) designed for engine modifications and replacements on Cross and Roadster machines. Forged from a specific alloy, this piston minimizes friction and offers increased wear resistance compared to a cast piston, ensuring the engine reliability sought by riders and technicians.
Designed for an oversize B bore, this piston is intended for the 450 cc engines listed below. Before installation, check the bore and piston/segment clearance to ensure proper break-in and operation. For optimal results, have the installation performed by a professional if you are not equipped for dimensional checks and assembly.
Main Compatibilities:
Part intended for discerning motorcyclists — ideal for modifications, replacements, and engine revisions where durability and dimensional precision are paramount.