I currently have a 1998 honda accord 2.3 ex with ULEV VTEC F23A4 engine can i swap with VTEC F23a1 engine?

I currently have a 1998 honda accord 2.3 ex with ULEV VTEC F23A4 engine can i swap with VTEC F23a1 engine?

Yes it's possible, but you need also to change the enigine arm support. Also the exhaust inlet, the cables and the engine onboard computer must be or upgrade by a specialst or you need to change that also.

Go to the Workshop and if NOT go google it.