Crankshafts for Range Rover Sport

my company deals of remanufactured engines,
i have to ask the availability,price and minimum quantity for these crankshafts:
nissan navara d40 2500cc dci common rail engine code yd25 8years 2006’/2010’)
range rover sport or discovery3 27 tdv7 engine code 276dt (years 2006’/2009’)
range rover sport or jaguar xf 30 sdv6 engine code 306dt (years 2010’/2013’)
subaru boxer diesel 2.0d legacy or outbak engine code ee20 (years 2008’/2012’) oem number 122ooaa381
the goods are shipped and deliv