250r rear caliper question/aftermarket versions

[SRH]

im buying a 250r rear caliper for my yfz, i want a new one, a new oem one my cost is abotu 200 bucks which isnt bad but ive seen some aftermarket ones there real big, andonized with cooling fins and i was wondering if there was a advantage over a oem 250r one , heres a pic of one on chad lohrs yfz


http://www.exriders.com/vbb/attachment.php?s=&postid=1221894

ive also seen one in andonized red



i already bought a 250r brake plate from nacs, all i need now is the caliper, anyone knwo where i can look at these calipers or any info..

[K_Fulk]

The last one i saw was around $400. Those calieprs would stay cooler but i dont think there is any otehr advantages to them.

Do you have the whole honda setup on the rear? Or does nacs just make the mount to bolt it strait up to the yfz?

[SRH]

i have the whole 250r rear end