The 2387CT or 2387 Custom is a solid body electric guitar model introduced by Ibanez in 1975. It was made in Japan by FujiGen . It was among the first models in what would come to be the Rocket Roll Series. This model is also known as the Rocket Roll Sr.

The 2387CT features a vee-shaped body modeled on the Gibson Flying V. It has a solid ash (or Japanese sen) body mated to a set-in 3-ply maple neck with a 22-fret rosewood fingerboard with pearloid dot position markers. Components include a Tune-o-matic style fixed bridge, through-body string routing with a vee-shaped "Cadillac" ornament, a pair of Ibanez humbucking pickups mounted in black pickup rings, a black pickguard, top hat style knobs, and Smooth Tuner "Star" machine heads. The output jack is mounted on the inside of the lower (treble) wing.

Early models may have had uncovered humbuckers with black bobbins, but by the end of 1975 the new Super 70 pickups with gold covers were being used.

This guitar is part of the legendary Korina Trio along with the 2459 "Korina Destroyer" and the 2469 "Futura" which were copies of Gibson's trio of "modernistic" designs from the 1950s. While Ibanez's previous Rocket Roll models were based off an early '70's Gibson reissue of the original Flying V, the 2387CT targeted the original 1958 model directly. While those earlier Gibson guitars were made of African limba wood (also known as korina), the exact species of wood used for the Ibanez trio has been much debated — the catalogs say "solid ash", some marketing materials claimed they were "African korina" while many experts insist they were made of Japanese sen, which has a grain structure similar to ash. In any event, the translucent "African Korina" finish gave them a yellowish hue which was quite similar to Gibson's originals.

The 2387CT was discontinued in 1978 as Ibanez was phasing out production of copies of guitars from other manufacturers in favor of original designs. The shape would reappear in mildly altered form as the Rocket Roll II for 1982."