Would one look for the entire engine or just the block??

Using car-part.com I found just a '99 block for $225. How useful would that be (assuming I'd go for the over-bore pistons)?
Are things like crank, oil pan, pump, etc a direct swap from the 2.5?


Derek Scion xB 5-spd Previous: 2000 Silver Frost SVT Please share the road with cyclists.