Best place to buy a Keihin 41mm FCR?

[RAPTORAZ]

I've got a friend who's got a 440 kit and an XR cam. He's going to a GT Thunder cam and a 41mm FCR. Anybody know the cheapest place to find one?

[Sandragggen]

$475 at Sparks.

opps,sorry,it was a 39mm fcr for 445 at http://www.ftzracing.com/