Replacement piston ring set for 52.4 mm Naraku performance pistons used in QMB139 and GY6 50 cc four-stroke engines.
Perfect for rebuilds or servicing Naraku big-bore kits, this universal 52.4 mm ring set restores compression, reduces blow-by, and ensures consistent performance.
Features:
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Genuine Naraku Performance replacement rings
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Fits 52.4 mm Naraku pistons (100 cc big-bore kits)
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Compatible with QMB139 / GY6 50 / 139QMB / 139QMA engines
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High-quality cast-iron rings for excellent sealing and longevity
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Includes: top compression ring, secondary ring, and oil control ring
Specifications:
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Bore Size: 52.4 mm
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Type: 3-ring design (1 top, 1 secondary, 1 oil ring)
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Fits 100 cc Naraku and other 52.4 mm QMB kits
Compatibility:
