WHAT DOES JDM TOYOTA 2JZ GTE VVTI FOR SALE MEAN?

I purchased my first 2JZ swap unit from JJSmotors in June 2022. They emailed the engine specs and compression effects, assuring me I had been acquiring top rated shelf motor. Well. They didn’t lie. I’ve received the images to verify it . Lord understands I have not witnessed a made use of motor this clean up.I introduced a motor for my son Jeep