want to put 400ex or 250r a-rms on a 250/300ex

[crewworrior]

i just need to know which will fit better 250r or 400ex a-arms. and what about the axle will the 400ex axle fit it also.any info will be appreciated:huh

[4TraxRider]

http://www.exriders.com/vbb/showthread.php?s=&threadid=263301

http://www.exriders.com/vbb/showthread.php?s=&threadid=263372

http://www.exriders.com/vbb/showthread.php?s=&threadid=263201

http://www.exriders.com/vbb/showthread.php?s=&threadid=261472