oreoshee350 Posted June 27, 2007 Report Share Posted June 27, 2007 what exactly do cool heads do?and could you explain the domes(like 20cc or 21cc domes?) and would it be something youd wanna have for trail riding and pit riding or no? Quote Link to comment Share on other sites More sharing options...
dynodon Posted June 27, 2007 Report Share Posted June 27, 2007 A coolhead will keep your motor running at a cooler temp than a stock head. As for the different cc domes, thats how you change compression ratings Quote Link to comment Share on other sites More sharing options...
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