
The PROX forged piston (Manufacturer's ref. 01.7412.A) has been developed for off-road displacements where strength and assembly precision are essential. Machined from a specific aluminium alloy and subjected to a patented surface treatment, it limits friction in the cylinder while remaining suitable for cross/enduro use. Ideal as an equivalent replacement for the original equipment, it is aimed at riders who want to maintain their engine's reliability without compromising load-bearing capacity.
Designed for easy integration into cross and enduro engines, this piston is particularly suitable for BETA RR 450 4T models (2013–2014) listed among common compatibilities. For a clean installation, adhere to the bore tolerances and the assembly order recommended by the manufacturer. Check the precise compatibility with your model before ordering.