Rears

Part # # of Studs Stud Size Inside Diameter Height Finish 310-2 8 5/8" 8" 1" Chrome 320S 8 3/4" 8-1/8" 1-1/4" Stainless Steel 

Part# Diameter Description Finish 20072  8-9/16" Fits Mack 4400 Rear End Chrome 90350 7-1/4" Dia axle 12 of 1/2" studs Chrome 90360 8" 8-1...

Part # Diameter Height Description Finish 20090 8" 4-5/8" 8-1/2" dia axle of 8 of 5/8" studs also fits Peterbilt 1995 up Chrome 20091 8" 4-...

Part # Diameter Height Description Finish 20010 7-1/4" 2-3/4" 7-1/4" axle 12 of 1/2" studs Chrome 20013 7-1/4" 2-3/4" 7-1/4" axle 12 of...

Part #  Diameter Height Description Finish  20130 8" 3-3/8" 8-1/2" dia axle 8 of 5/8 studs also fits Peterbilt 1995 up  Chrome 20132 8" 3-...

Part # Diameter Height Description Finish 20133 8" 3-3/8" 8-1/2" dia axle 8 of 5/8" Studs also fits Peterbilt 1995 up Chrome 20134 8" 3-3/...