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NCY GY6 171cc Engine Package

If your looking for a quality, simple. and effective big bore/cam/head package for your 150cc gy6, look no further. This setup requires ZERO machine work. 

This setup includes the following:

61mm big valve cylinder head

61mm 171cc cylinder kit complete with all gaskets/piston etc

High lift race camshaft 

Intake Lobe 26.25mm 
Exhaust Lobe 26.15mm