If patient,most times,good and affordable parts come up for sale on yahoo japan.As for the mk63 parts,i.e the seal kits, were very rare and expensive a few years ago on yahoo japan auctions.Not too rare nowadays but still hard to come by sometimes.

i.e
heres a link for 1 new nissan mk63 caliper piston.Buy it now 2840 yen(in japan) which equates to roughly aud$36 and landed in oz approx aud$100 -120 dollars depending on state and whether shipping or air freight. Thats the price for one new piston.The seller has given the customer the opportunity to let him know how many pistons they want to order.Would be cheaper to order a few and save on shipping.

http://page2.auctions.yahoo.co.jp/jp/auction/b123394378

However the pistons are hard to come by.for instance, if above seller runs out, one will have to wait for a pretty long while b4 getting others for sale.Demand and supply..

and heres a link for a new seal kit to overhaul the mk63 calipers.Landed in oz and depending on whether air freight or shipping, will roughly cost 130-150bks aud.

http://page11.auctions.yahoo.co.jp/jp/auction/n103358054

The calipers on the hand could be affordable if not too many bidders.In the past some race compound brake pads have come for sale at almost steal prices on yahoo japan auctions.


cheers