PROX Piston Kit 39.48mm for Gas Gas, Husqvarna, KTM 50cc - 01.6019.C

ProX 01.6019.C Piston Kit 39.48mm Gas Gas MC 50, Husqvarna TC 50, & KTM 50 SX

✴ OEM replacement piston kit manufactured in Japan for precision and reliability.

The ProX 39.48mm piston kit is engineered as a direct OEM replacement for Gas Gas, Husqvarna, and KTM 50cc two-stroke engines, delivering consistent performance and long-term reliability. Manufactured in Japan using a high-silicon-content aluminum alloy, the ProX piston kit is designed to meet or exceed original equipment specifications, ensuring precise fitment and smooth engine operation for youth motocross and competition riding.

Each ProX 39.48mm piston kit is CNC-machined to extremely tight tolerances to maintain proper compression, reduce friction, and promote efficient power delivery. The high-silicon aluminum construction provides excellent heat resistance and wear characteristics, helping extend engine service life under demanding riding conditions. Ideal for engine rebuilds, routine maintenance, or performance restoration, the ProX piston kit offers dependable quality trusted by professional mechanics and riders.

Key Features

• Manufactured in Japan using high-silicon-content aluminum alloy
• CNC-machined to meet or exceed OEM specifications
• 39.48mm piston designed for 50cc two-stroke engines
• Complete kit includes piston, rings, wrist pin, and circlips
• High heat resistance and wear characteristics for long engine life

Vehicle Fitment

• 2021–2025 Gas Gas MC 50
• 2017–2025 Husqvarna TC 50
• 2009–2025 KTM 50 SX

Frequently Asked Questions

Is this piston kit an OEM replacement?
Yes, this ProX piston kit is manufactured to meet or exceed OEM specifications for direct replacement.

Does this kit include all installation components?
Yes, the kit includes the piston, piston rings, wrist pin, and circlips.

Is this piston suitable for racing use?
Yes, it is designed for youth motocross racing, practice riding, and regular engine maintenance.

Restore engine performance and reliability with a precision-engineered piston kit designed to deliver consistent results in demanding two-stroke applications.

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