Availability: In Stock
Estimated Shipping Date: Today
Part No. CAL-4524
Brand: Cal Custom
  • 9 hole steering wheel boss
  • Machined from 6061-T6 billet aluminium
  • Polished finish
  • Dual contact horn button wiring
  • Bolt pattern: Standard 9 bolt – 102mm – 4 inch
  • Can be mounted to the 13”, 14” and 15” Classic Series Wood Rim Laminated Flat Steering Wheels, also can be mounted to the Leather Half Wrap Billet Profile Steering Wheels
  • Also fits Billet Specialties, Budnik, RPC steering wheels etc. with a 9 bolt pattern.
  • Includes bolts and horn wire
  • Mounts directly onto the hub
  • Note that this 9 hole hub adaptor will only accept a 9 bolt steering wheel.


  • Overall height: 80mm – 3.15 inches
  • Inside: 40 spline