im wanting more speed for my 400ex and i would like to no what piston and cam i should go with like wisco or je no more that 11: 1 and some type of cam like hot cam stage 1 or xr 400 cam thanks alot

 

anyone

 

i was browsing the forum and i found that you and I have the same questions basically. Im also looking for 11:1 piston kit. I was told that Ross Racing piston kit is the best for the money. And it is nto necessary to get a new cam, but it is a good idea.