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Billet Crankshop Polaris 903 crank (NEW)
- Thread starter 2XM3
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Can you install this crank in a set of stock 800 bb cases and run the stock pistons with no other mods? If so does that give you 903 cc's? or are the 903 cylinders a bigger bore also?
its a 76mm stroke, it comes with the cylinder spacers for the jugs, ive always run the weisco 903 pistons i'm not sure if stockers would fit or not, you would have to check compression height ect.
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