Availability: In Stock
Estimated Shipping Date: Monday
Part No. CAL-4543
Brand: Cal Custom
  • Steering Wheel Adaptor Boss Kit 9 hole Polished Aluminium:
    • Will fit GM spline 1949-1966
  • Precision machined from premium quality 6061-T6 billet aluminium
  • Polished Aluminium
  • Includes turn signal cancelling cam
  • Standard 9 hole, 102mm (4in) hole pattern
  • Enables fitment of any aftermarket steering wheels including Cal Custom Billet Aluminium Half Wrap and Classic Series Wood Rim steering wheels with a 9 hole pattern. Also fits Billet Specialties, Budnik, RPC steering wheels etc. with a 9 hole pattern.
  • Will also work with most aftermarket steering columns with the GM spline, i.e. most Flaming River, Ididit, Billet Specialties, RPC columns etc. Includes hardware and horn wire


  • Overall height: 73mm (2.87in)
  • Inside diameter: 3/4" x 36 (GM)
  • Outside diameter - Top: 113mm (4.45in)
  • Outside diameter - Base: 98mm (3.86in)