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Naraku 52.4mm Performance Cylinder & Head Kit

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Product details

Management number 215380774 Release Date 2026/04/12 List Price US$118.79 Model Number 215380774
Category

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
Model Naraku
Item Weight 4.6 pounds
Manufacturer Naraku
Manufacturer Part Number 137-4

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