Converting Your Vw Swing Axle Vehicle From Drum To Disc Brakes Is Made Simple With This Conversion Kit. Grey High Performance Wilwood Calipers With High Performance Pads. EMPI Scalloped Disc Brake Rotors With 5 X 130mm Porsche & 5 X 4-3/4″ Chevy Lug Bolt Pattern (Porsche 14mm Threads / Chevy 12mm Threads).