+2mm stroker crank

[m36indiana]

i have +2 crank given to me, what piston do i need to use in it, or can i use stock piston

[exhorsepower]

i never heard or a +2 stroker crank for a 400ex usually just stock stroke and 4mm

[Wheelie]

Never heard of a +2mm stroker. I've heard of a +4mm (that's what I have) and each a +6mm and +7mm.

[400exrider707]

You would need a piston for that, the stock one wont work.