Yx140 Cylinder Head Assembly Kit For 140cc 150cc Dirt Bikes

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• Size:length:155mm/6.1";width:150mm/5.9";height:110mm/4.3",inlet valve:27mm/1.06",exhaust valve:23mm/0.9",pole：5mm/0.2".
• Replacement for 1p56ymj 1p56fmj 1p56fmj-5 140cc 150cc dirt pit bike atv quad.
• Made of high-quality aluminum alloy material,through precision machining and heat treatment process,it has excellent resistance to high temperature and corrosion.
• The sturdy structure is able to withstand high-intensity working environment and ensure stable operation for a long time,providing excellent durability and reliability for your engine.
• By optimizing the combustion chamber design and intake and exhaust passages,this cylinder head assembly can significantly improve combustion efficiency,thus enhancing the engine's power output.

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