Roughly -
$150.00 to 250.00 for R/P
$ 100.00 to 150.00 for fully equip'd install kit
Labor will vary greatly depending on what shop . Usually prices range from $250.00 to $400.00 per axle and sometimes more. Do not go with the cheapest price - shop around for quality of work and detail to attention. Just because some wrench turner put a set of gears in a round track car does not make them a pro......
Tom