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Replica wishbone frame kit, authentic reproduction 1954 Big Twin rigid

Brought to you by Bitter End - Old School Choppers - One-Stop Shopping for Hardcore Chopper Builders.

  • Replica wishbone frame kit is an authentic reproduction of a 1954 Big Twin rigid frame which includes seat post, axle, and transmission plate already assembled.
  • Original forged parts are the neck, front and rear engine mounts, side car mounts, top seat post yoke, footboard tabs, and rear axle plates.
  • Neck will accept key lock.
  • Seat post, axle, and transmission plate are already installed.
  • Mechanical brake cross shaft bushings, tool box mount, and grease fittings are installed.
  • Frame has cable mount tab under gas tank on the cross bar.
  • Frame will house Panhead or Shovelhead engine, and a 4-speed transmission.
  • It will also allow installation of a Knucklehead or Flathead engine with the use of a front 3/8" engine mount spacer.
  • Seat post bushing and the mechanical brake cross tube bushing may require reaming prior to assembly.
  • Manufacturer's Statement of Origin is supplied.   It will NOT come with the frame for your security -  send message to request it.
  • **NOTE: Seat post and cross shaft bushings may require further reaming for proper fit. For this reason frames will not be accepted for return (RGA).

  • All related items must be ordered separately.
  • Use #31-0475 Front Engine Mount Spacer to accept 1936-1947 Knucklehead or Flathead engines in 1948-up frames.


Note: As with any frame-up custom build project, it is common and wise shop practice to pre-assemble the entire motorcycle prior to any paint work for compatibility verification of all parts used.



$1,899.99 10 available