Upgrade your 50cc QMB139 engine with the Airsal 50mm Performance Piston Kit, designed for enhanced compression, durability, and top-end speed. Ideal for riders looking to boost performance in their 4-stroke scooter or moped.
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Compatible with most 50cc 4-stroke QMB139 engines
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50mm piston size for increased displacement and power
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High-quality materials for better heat resistance and longevity
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Perfect for performance builds, rebuilds, or tuning
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Trusted Airsal engineering for reliable upgrade results
