This is a quality oil filter for cars with the 3/4 inch thread size opening which can be used for MGB with the Top Loading style oil filter and Triumph Spitfire that has the 5/8 inch thread to 3/4 inch adapter.

MGB 1972 to 1980 (top loading)
Sunbeam Minx 1962 to 1968 (spin on)
Sunbeam Alpine 1963 to 1970 (spin on)
Sunbeam Arrow 1967 to 1970
Triumph Herald 1200
Triumph Spitfire