Do you need any mods to the VHM heads for the 300 kit?? What inserts are available? I need 85bhp this year...

From memory I think the 300 pistons are about 25% heavier than stock NSR aren't they? Sooooo, if the Wiseco's get back to the stock weight, then that will make me a very happy man!
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NSR300R - Why did i ever have a 250...