sadistic and masochists 72 duster

so went and looked at it today pulled the valve cover and intake looks great has the rebuild tag on the back done 3 years ago been in my nephews garage for 1 year. o and its a roller motor just found the casting id checker online the block said 53006921360 so the page im looking at says its a 89-92 with roller tappets. i told him ill give him my block and 800 for it he has the shop paperwork from the rebuild just has to find it.