Heavy duty. Now available from Weddle Industries, 1st-2nd and 3rd-4th Pro-Drag Slider Hubs for VW transaxles. These heavy duty hubs are designed to handle the shock loads and hard shifting encountered in drag cars. Made from superior quality steel, they feature extra thickness in the web area and maximum width of the O.D. splines to provide extra support and more solid engagement for the slider. Much stronger and more durable than stock VW hubs, Weddle Pro-Drag hubs are an important upgrade for any serious drag racing trans.