817 SKU: 817 Chrome - 3-Hole Bolt Pattern - Includes Nut This Hub Kit is compatible with these models: Kenworth (2003-2013) Fixed or Tilt & Telescopic Kenworth (2014-On) C500, K270, K370, T170, T270, T370, T440, T470, T660, T700, T800, W900 Peterbilt (2006-2013) Fixed or Tilt & Telescopic Peterbilt (2014-On) 210/220, 320 through 389 Spline Count: 40 we here strive for the best customer service so if any questions just ask also we ship orders same day if paid before 2:30 central time,have a good day