#3163-1 Installation Kit (GM Horn Kit) 1955-OLDSMOBILE-All-Models-(Except-Cutlass)-model1921 The Formula GT is a

The Formula GT is a 3-spoke design with machined racing holes

Diameter: 11

It also has two holes pre-drilled and ready to mount 11/16" sized switches

This kit is to weld on to 5/8" shafts

Signature black horn button with Chevrolet emblem in blue and silver

#3163-1 Installation Kit (GM Horn Kit) 1955-OLDSMOBILE-All-Models-(Except-Cutlass)-model1921 The Formula GT is aThis is the standard Grant Steering Wheel Installation Kit. These kits may be used to install all Classic Series, Challenger Series or Signature Series Steering Wheels. Each kit contains complete step by step instructions, a die cast hub, grade 5 hardware and matte black trim pieces.