S3 Forged Piston kitRef : SPART00066A / 1117809001

Manufacturer reference: PI-664-A

S3 forged piston specially designed for 2T engines of Beta RR 250. Machined from high-quality aluminum-silicon alloy and forged for a denser structure, it combines lightness and strength to keep up in motocross and enduro. The molybdenum disulfide treatment reduces friction at the skirt and contributes to better longevity in racing conditions. The nitrided steel rings provide reliable sealing and controlled wear.

• Diameter: Ø 66.34 mm (letter oversize A)
• Compression: Standard
• Material: Forged Aluminum-Silicon
• Finish: Anti-friction treatment (molybdenum disulfide) and nitrided rings

Designed for sharp throttle response and a reactive rev-up, this piston kit is aimed at riders looking for ignition precision, sensations, and reliability during off-road sessions. It also helps to reduce vibrations felt at the handlebars, providing more comfort during long rides.

The kit includes:

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

Notable compatibility: GAS GAS EC 250 RACING SIX DAYS (2018), GAS GAS EC 250 RACING (2018), GAS GAS EC 250 ENDURO GP (2018). Ideal for preparations and replacements on 2T 250 models within the same bore range.