steering wheel Boss kit steering knuckle 1.Strut Material Aluminium alloy 2.There are many styles to choose Boss Kit Steering wheel Boss Kit for TOYOTA ,Steering Knuckle, Steering Hub We have a lot of type for TOYOTA,MAZDA,HONDA,NISSAN,MITSUBISH,GOLF...How to install:1. Release the original steering wheel2.install the boss kit on carefully3. connect the horn wire when install your newly purchase ...