4, 5-string · Bolt-on
Kikuchi Guitars Custom Series - the career-culmination, one-off bespoke instruments of master luthier Yoshiyuki 'Yoshi' Kikuchi (ex-Sadowsky Japan, Atelier Z), described as works of art. J-style basses built to order in Japan in 4- or 5-string, with premium/figured woods, DiMarzio or Kikuchi custom pickups and Kikuchi's original electronics, Hipshot hardware. Fixed specs and pricing vary per commission.
| Construction | Bolt-on |
| Strings | 4, 5 |
| Body | Alder or ash (custom) |
| Neck | Maple (thin matte nitro) |
| Fingerboard | Maple or rosewood |
| Neck Pickup | DiMarzio or Kikuchi custom |
| Bridge Pickup | DiMarzio or Kikuchi custom |
| Controls | Kikuchi original preamp (configuration varies) |
| Bridge | Hipshot |
| Made In | Japan |