It came out of a 90 240sx.The guy I got it from pulled it to do a sr swap shortly after he got the car. He was planing on putting it in 510 he had but he traded the 510 for a VW (stupid). I pulled the valve cover, it looks pretty clean, I was thinking about maybe putting some rings in it just dew to the age of the engine but its probably not necessary, the single cam's are pretty stout they can take some abuse.I I only have the bottom part of the intake and no harness, I have a set of motorcycle carbs I was going to run and a 510 distributor. I'm actually selling all of it. I'm even gona sell the car in the next couple of weeks.