COST DEPENDS WHAT CLIP YOU BUY AND ITS CONDITION...........Fair
Answer that first.
How can anyone really tell you the costs ?
Is the head gasket , oil , water pumps etc all ok ?
If you get one it will be most likely a celica one. Then you need to buy a b-pipe --- see Servin and the cost. Youll need air box and a bit of retrofiting or if you want it OEM MR2 since i have done this befor , a few times, probably another $2,500 USD on top
All my prices i quoted above are approximate due to the USD ,
i have bouoght at least 3,500 parts for my MR2/beams . I would consider myself an expert at OEM PIECES . BTW Toyota will not order any parts there in the States for you
Summary
tick YES/NO
CELICA CLIP
YES then
air box, hoses
b-pipe
engine mount
fuel line
hoses
harness
Then the other things
Clutch
Flywheel
water pump
oil pump
gasket kit
tensioner
bolts
Reshim
Personally i would love to tell you that it would cost say another $500 but in reality it aint