MGA: all 1500, 1600 and Twin Cam, 1622 and De Luxe to engine no. 16GC-3838 ? TD from engine no. 9408 (August 1951) ? TF (1953-55) ? YA from engine no. 16916 (August 1951) ? YB (1951-53)
MGB with single line brake (RHD to May 1977, LHD to November 1967), MGB LHD with dual line brake system less servo - Roadster from GHN4-138401 to GHN5-367900, GT from GHD4-139471 to GHD5-368600 (November 1967 to December 1974), MGB V8