Beta RR 390 4 T Racing [2020-2024] - Piston Kit

PROX piston kit for Beta RR 390 4 T Racing

The PROX piston kit is intended for the Beta RR 390 4 T Racing in the entire 2020-2024 model year range. It bundles the components relevant to replacing pistons in one set and is therefore suitable for replacing the piston in this vehicle.

Pistons with clearly defined technical features

The piston is made of aluminum and is forged. The combination of specified diameter, standard compression and the specified compression ratio supports a targeted selection to match the intended engine version.

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 87,970 mm
• Letter oversize: B
• Oversize: +0.01
• Compression ratio: 12.5:1
• Stroke: 4T
• Specificity: Flat with hollow

Included in the kit

The set contains the piston, piston rings, piston pin and circlips. This means that the piston components provided in the kit are ready for assembly together.

Vehicle assignment

Suitable for:

• Beta RR 390 4 T Racing, built 2020-2024

The version for fuel injection from 2016 is specified for the model. The technical characteristics such as 87,970 mm diameter, oversize +0.01 and compression ratio 12.5:1 make it easier to compare it with the existing engine configuration.