help on value of LS 1 motor
 

i have a freind who is wanting to sell a 5.7L,, LS-1 motor out of a 02 corvett, it is a very low mile motor , its an all aluminum motor and block casting no is 12559378, head no 4241 & 241 & 1256. all electronics included and so are pulleys. so what kind of power can this block and heads handle and what is this motor worth if you were to buy it,,thanks