Beta RR 480 4 T Race [2025-2026] - Piston Kit

PROX piston kit for Beta RR 480 4 T Race

The PROX piston kit is tailored to the Beta RR 480 4 T Race built in 2025-2026. The forged aluminum piston combines precise design with a resilient construction for engine repairs. The standard piston compression supports the intended design of the engine.

Function and execution

The piston kit is intended for engines with fuel injection from 2016. The “Flat with hollow” design describes the shape of the piston crown. With the compression ratio of 11.9:1 and the marking for 4T, the piston is clearly specified for the corresponding four-stroke use.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 99,970 mm
• Bore diameter: 100mm
• Oversize: +0.01
• Letter oversize: B
• Compression ratio: 11.9:1
• Stroke: 4T
• Specificity: Flat with hollow

Vehicle assignment

The piston kit fits the Beta RR 480 4 T Race, built between 2025 and 2026. Before ordering, please compare the specified dimensions and oversize with the intended motor.

Scope of delivery

The kit includes pistons, rings, piston pins and circlips.