This is the plastic spacer sleeve that is below the steering wheel and spaces it's height. If it is bad or missing it can cause the horn ring to grind due to improper spacing.
Alloy Wheel Center Cap with factory alloy rims
Syncro Vanagon Drop Link for Right Side 89-92
Syncro Vanagon Drop Link for Left Side 89-92
Powerflex Bushing Set for Radius Rod all Syncro Vanagon
Bilstein (OE style) Front Shocks Syncro only '86-91
Upper Bushing for Sway Bar Drop Link 19mm I.D.