The construction of these race inspired billet aluminum and stainless steel helms feature an adjustable slip collar to accommodate different dash thicknesses while providing the ultimate in finished appearance. These steering posts bolt directly to a Char-Lynn hydraulic helm. Available in a dual steering wheel bolt pattern (Momo or Dino) or a conventional 3-bolt pattern. Length is from the dash to the steering wheel mounting flange based on a 1" thick dash.