Naraku 52.4mm Performance Cylinder & Head Kit
Product details
| Management number | 215380774 | Release Date | 2026/04/12 | List Price | $118.79 | Model Number | 215380774 | ||
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Naraku 50cc QMB139 4-stroke 52.4mm, Racing Big Bore Cylinder and Head Kit. Kit includes cylinder, piston, rings, piston pin, cir clips, cylinder head, head gasket, and base gasket. When used in conjunction with a stock stroke of 41.4mm the total displacement comes out to 89.3cc! When used with a 44mm stroker crank, total displacement measures 94.9cc! Please see our Warranty & Returns Policy. Please note: replaces Cylinder Heads with 64mm Valves (Short Valve Style). Please see Related Items if you need 64mm valves. You may need to modify your engine case to accommodate the larger cylinder.
- Naraku 50cc QMB139 4-stroke 52.4mm, Racing Big Bore Cylinder and Head Kit. Kit includes cylinder, pi
- ston, rings, piston pin, cir clips, cylinder head, head gasket, and base gasket.When used in conjunc
- tion with a stock stroke of 41.4mm the total displacement comes out to 89.3cc! When used with a 44mm
| Brand | NARAKU |
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| Model | Naraku |
| Item Weight | 4.6 pounds |
| Manufacturer | Naraku |
| Manufacturer Part Number | 137-4 |
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