Description
Your Beta RR300 demands precision engine internals that match factory specifications without compromise. This PROX piston kit is engineered in Japan with high-silicon aluminum and CNC machining to restore or upgrade your top-end performance. Whether you’re rebuilding after a tear-down or refreshing tired rings, this complete kit delivers OEM-equivalent reliability with the durability your riding demands.
- Fits: Beta RR300 (’18-’19)
- MPN: 01.7398.B
- Material: High-silicon aluminum
- Manufacturing: Japanese OEM-spec
- CNC-machined: Close tolerances
- Kit includes: Pistons, rings, pins
- Circlips: Included
- Fitment: Vehicle-specific
- Installation: Professional recommended
