Wilwood's new Pro - Series Front Hub Kits for 1950 - 1955 MG - TDTF, offer disc brake upgrade solutions for OEM Drum spindles. Featuring a large 10.75 x 0.81 rotor and forged aluminum hub assembly The FDL - M caliper is a modified version of the time - tested Forged Dynalite caliper, and provides the greatest amount of wheel clearance of any four piston caliper in its size. This kits require no modifications for installation, and provide plenty of clearance inside popular 14 to 15 wheels. FDL - M Pro - Series kits can be used with either manual or power boost master cylinders.