This shim kit is for adjust axial clearence of the left shaft bearing. Shimkit contains the following: - 2x Shim : ID: 50.2 mm OD: 61.7 mm Thick: 0.1 mm - 2x Shim : ID: 50.2 mm OD: 61.7 mm Thick: 0.3 mm - 2x Shim : ID: 50.2 mm OD: 61.7 mm Thick: 0.5 mm used in 0B5 DL501 0AW 0B1 0B2 0B3 0B4 transmissions.