Peace, mercy, and blessings of God be upon you. I have an engine for a 1990 GMC, 350 size. And a 3-speed manual transmission with L. 8-bolt differential, guaranteed. All for a 1990 GMC 2500 model. Location: Al-Ahsa. For those outside Dammam city, shipping is on them. Price: 5000, and we won't shortchange the serious buyer.