Universal GY6 100cc 50mm 4 Stroke 139QMB 139QMA Motorcycle Engine Big Bore Cylinder Rebuild Kit Cylinder Assembly 64mm Valve
US$44.31
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US$44.31
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by mail.intentdecoding.com
Free 30-day returns Details
Product details
| Management number | 239294196 | Release Date | 2026/07/14 | List Price | US$44.31 | Model Number | 239294196 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Valve length -64 mmInlet valve diameter-18.5mm.Exhaust valve diameter-16mmCombustion chamber diameter -50 mmInner diameter of cylinder: 50 mmOutside diameter of piston pin: 13mm
- Compatibility; Suitable for GY6 100cc, 50mm 4-stroke engines, 139QMB, 139QMA and other models, designed for large displacement modification.
- Durability; Selected strong and can withstand the work and extend the service life of cylinders and cylinder heads.
- Performance improvement; 64mm valve design improves airflow efficiency, increases engine power output, and enhances acceleration performance.
- Stability; Provides smooth engine , reduces friction and heat , and ensures long-term .
- Easy installation; The rebuild kit includes the cylinder and related components, and the simple installation design allows users to quickly complete or replacements.
| ASIN | B0DY6H3Y96 |
|---|---|
| Department | Unisex Adult |
| Item Weight | 1.76 ounces |
| Manufacturer | Xzdfvwfu |
| Number of pieces | 1 |
| Assembly required | No |
| Item model number | Xzdfvwfu16378 |
| Package Dimensions | 1.18 x 0.79 x 0.39 inches |
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