GMC Yukon 1999 GMC engine model 99, size 350. It runs with all its parts, not a single piece is missing. I guarantee it against any issues: no overheating, no boiling, no smoking. It is guaranteed against all defects. The gearbox with the double is for sale with all its parts. Contact via WhatsApp only as I do not access the site. ( Phone number appears when clicking the contact button )