Just came across this, they've got some good stuff if you're in the market...
http://www.jdmtigerjapanese.com
Examples:
4AGE DOHC Engine only Toyota Corolla Black Top 90-96 (http://www.jdmtigerjapanese.com/details.php?id=1671)
2JZ GTE DOHC Complete Front Clip Toyota Lexus GS300 Aristo (http://www.jdmtigerjapanese.com/details.php?id=5651)
320hp@5600rpm, 315lbs/tq@4000rpm, 44,000 Apx Miles