Re: 50 cc high compression head

Trevor Yee /
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just bolt it on ... making sure that the fins are aligned the best they can be..... i had one on my arrow r recently , stock cylinder ported, high comp head, stock phva with stock jet and stock airbox...and a shortened a35 tecno bullet......(the a35 bullet compared to the a55 bullet has a larger inside diameter..).. this setup got me out to 53

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