EMPI Banjo Boss Kit | VW Beetle, Ghia & Type 3 1960-74½ | Polished Billet 40-Spline (79-4063-0)

EMPI Banjo Steering Wheel Boss Kit — Polished Billet Aluminum, 40-Spline

Bridge vintage elegance and precision engineering with the EMPI Polished Billet Aluminum Banjo Boss Kit. This adapter is the essential mechanical link required to mount a 3-bolt Banjo-style steering wheel to your classic Volkswagen steering column.

Machined from high-grade billet aluminum and finished to a mirror polish, this boss kit provides a secure mounting point and a seamless extension of your interior's aesthetic. Unlike cast adapters, this billet piece offers superior structural integrity and a crisp, clean look.

Vehicle Fitment

Designed for the 40-spline / coarse-spline (21mm) steering shafts:

• VW Type 1 Beetle / Super Beetle: 1960–1974½ (up to the mid-year '74 change)
• VW Karmann Ghia: 1960–1974½ (up to the mid-year '74 change)
• VW Type 3 (Notchback, Fastback, Squareback): 1961–1971

Why Choose EMPI?

EMPI's billet boss kit is CNC-machined from solid aluminum rather than cast, giving superior strength and a polished, "built-in" finish that matches the diameter and taper of the factory steering column.

Key Features & Benefits

• Premium Billet Construction: CNC-machined from solid billet aluminum for maximum strength and a flawless polished finish.
• 40-Spline Precision: Broached for the 21mm coarse-spline steering shafts used on the most popular air-cooled production years.
• Complete Installation Hardware: Includes the mounting bolts, column nut, and wiring connectors needed to keep your horn fully functional.
• Seamless Integration: Matches the diameter and taper of the factory column for a "built-in" appearance.

Technical Specifications

• Material: Polished billet aluminum (CNC-machined)
• Spline: 40-spline / coarse-spline (21mm)
• Wheel pattern: 3-bolt Banjo
• Included: Mounting bolts, column nut, horn wiring connectors
• Brand: EMPI
• Part Number: 79-4063-0

Frequently Asked Questions

• Will this fit a 1974 fine-spline column? No. 1974 is a transition year — if your column has the wiper switch on the stalk (fine-spline), this adapter will not fit. It is for the earlier coarse-spline (21mm) columns.
• Does the horn still work after installing? Yes — the kit includes the column nut and wiring connectors to keep the horn functional.
• What wheel does it mount? A 3-bolt Banjo-style steering wheel.

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