The PL2551 features an offset double cutaway body with neck through body construction. Alder body wings are glued to a maple and walnut neck running the length of the guitar with a 22-fret ebony fingerboard with sharktooth position markers. Components include Ibanez pickups with an IBZ triple-magnet humbucker at the bridge and Super 7F single coil pickups at the neck and middle positions and an Edge double locking tremolo bridge with a locking nut and the Back Stop trem-stopper.
The back of the neck and headstock of the PL2551 are painted to match the body.
The PL2551 was discontinued after 1987 along with the rest of the Pro Line series.