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Taida 54-55-56mm AC bore kit

This is the next step up, from the 120cc 54x52 kit. Run this with the 52.6 crank, to get a whopping 124.9cc.

Comes with head, studs, gasket kit, everything you need to bolt to your dio with a big stroker crank!

these kits DO come with heads. Complete. Choose from 55, or 56MM

upgraded stud kit

http://www.scooterswapshop.com/products/polini-evolution-dio-cylinder-stud-set