exchanging old brake cailpers for re-conditioned .

[vrooom]

is anyone doing this? and where should i contact to?, and how much i expent to pay?

and does those have stainless steel piston etc?

as my 7.5" other half pistons (near to wheel) is siezed up. even blow torch cant shift it, loads of wd40 and plusgas over night. wont budge.