S3 Forged Piston kitRef : SPART00067A / 1117809003

S3 Forged Piston - Beta RR 2T 250 (Manufacturer Ref: PI-664-C)

S3 forged piston designed for competition and enduro cross: high-quality aluminum-silicon alloy, precise machining, and Molybdenum Disulfide treatment to reduce friction in the cylinder. This +0.02 oversize piston (letter C) features a diameter of Ø 66.36 mm, standard compression — a robust solution for demanding 2T engines.

Technical Specifications:

• Piston diameter: Ø 66.360 mm (Ø 66.36)
• Oversize: +0.02 (letter C)
• Compression: standard
• Material: forged aluminum (Al-Si alloy)
• Surface treatment: Molybdenum Disulfide
• Rings: nitrided steel

Kit Contents:

• 1 piston
• 2 rings
• 1 pin
• 2 circlips

Designed for performance and durability, this S3 piston stands out for its lightweight and heat resistance. Its finish and components (pin, clips, nitrided rings) facilitate the restoration of a 2T engine without compromise. Ideal for cross/enduro riders looking for a precise and reliable assembly part.

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