looking for a k20, prefer a k20z3 to keep it the same for my car, but the motor in my car was blown so im in need for another one!!

let me know what you have!
i need to know miles,
papers,
and anything that has been done to it
where its located, and how long its been sitting

i need one asap!!

the motor MUST be legit, and have papers. nothing stollen please!
thank you, Christopher