bigger piston (not 440)?

[400exracer511]

is there a piston kit for the z/kfx/dvx that you can get more displacement with without getting a bigger sleeve (like a 416 or 426 for the ex's)?

[XJJack]

You can get one but it wont fit. the only other way is a diferent crank.

[ramp rida 55]

just get the stock one bored and replated

[trx400exxracer]

if you are wanting a bigger bore for your 400ex
check out www.fourstroketech.net they have a 500cc piston kit and some others

[trx400exxracer]

I just checked four stroke tech they have 440, 465, & 500cc piston kits

[MXridin841]

check out the athena company. they have 434 and 435 kits if thats the size that you want.