Well, that depends, jimbbski:

Quote:

"Heads-
All 2.0/2.3/2.5 heads will physically bolt in place of each other, they all have similar
exhaust port shape and placement. All cams are interchangeable as long as they
are used with the proper followers. Later model ('95 and newer) roller cam
followers cannot be easily swapped onto an older head as the valve stem size was
reduced in the newer heads and matching slot in the follower was reduced.
Early 2.0 and 2.3 heads have the same small round intake ports spaced evenly apart, they differ from each other in their valve sizes though "
"There are several variations on the 2.3 heads though they break down into 4 distinct types:

1. Passenger car oval port heads-’74-’80 Mustang, Pinto, Fairmont, Bobcat, etc.
2. Passenger car D-port head-’81-’95? T-bird, Mustang, Etc.
3. Truck round port- ’83-’85 Ranger
4. Truck D-port- ’89-’01 Ranger. The '89-'94's and '95-'01's have different combustion chambers and ports. "
stolen from "therangerstation.com"

The valve stem diameter is different in the later models. Do you need part #'s?

tom