whole engine. r33 rb25det ...... top to bottom turbo and all. auto trans. great looking clean ( pulled out clean i didnt attack it with cleaning fluid either) comes with ecu.... needs wirign harness.... cheap price for a great start for a build .. it was droped of as a runing drivetrain that is ready to be loaded and ready to go. call me 8132173022 if i dont answer leave a message ill get back to you