i have a 4.8 longblock from a 2001 silverado. It has 146k miles. A buddy replaced it with a 5.3. it ran when pulled 2 years ago. Included block,heads (still assembled) timing cover, water pump, crank pulley. Basically no intake manifold and accessories. was gonna freshen up and put into fox mustang. plans changed. will sell for 150$. can send pics via phone only. camera is down. Robert 813-508-0666