1.price at chop shop
i think around 2K plus...not sure...
2.can fit at 323bg
yes can....because my engine also taken from BG model
3.performance.
i'm using this engine since 3 years ago.....so far so good
4.spare part/maintenance
i can tell u that my engine never give me problem.......sparepart u can get from chopshop or sparepart shop.....still easy to find....