Mac160S,  | Replacement chain for McCulloch saws with original equipment bars may vary in size from OregonĀ® fit up. Count the number of drivelinks on your existing chain to insure the correct length is purchased. | 10" 12" 14" 16" 18" | 38 44 49 54 60 | 91VG-038 91VG-044 91VG-049 91VG-054 91VG-060 | 5/32" 5/32" 5/32" 5/32" 5/32 |