Assuming you have the RIGHT radiator, you can adapt from the nipples to a 3/8" hose fitting(brass preferably),and cut the lines to accept a hose and clamp type connection. (use good quality hose such as low pressure power steering or fuel hose.
Before I accepted this radiator,though, I'd take a look at another brand radiator or another one from a different store and be sure they gav
e you the exact fit. don-ohio