CAN ANY ONE TELL ME WHERE I CAN GET HOLD OF A ROVER V8 4ltr ENGINE/GEARBOX AND HOW MUCH I SHOULD EXPECT TO PAY ? (reconditioned)

Suggest you try someone like RPI:

http://www.rpiv8.com/engine.htm

or Rimmer Brothers:

http://www.rimmerbros.co.uk/cgi-bin/rimmer.bat?v8engine/v8engineindx

Simon

PS No need to shout!!