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 These are brand new ported and polished factory new race heads to make optimum power throughout the complete power range of your bike. 


Match this set up with a ported 28 mm Manifold and Ported 28 mm throttlebody with PCX 150 injector and you’re looking at a 70% increase in power alone !!!!!!!!   ***cam in photos not included

Ported Race head Grom/Monkey

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