For 2.3L strokers, you use a 4G64 crank, stock 6-bolt length rods, and stroker style pistons. 2.4L strokers and I believe 2.1L de-stroked use the "long rods". You need the 2.3L sroker pistons though. So to sum it up
http://www.slowboyracing.com/shop.php?sid=&cat=2553 , there you go just click on what stage you want, and it tells you whats included. I would recommend stage 2.
Dustin