Here is a cross for clutch discs.
MG
Magnette
1954-61 Magnette ZB, ZA, MK III 8 1 10
MGA
1959-61 MGA 1600 (To Engine H3928) 8 1 10
TC TD TF
1951-53 Excl. TC, TF (To Engine 9409) 8 1 10
1947-51 TC, TF (From Engine 9409) 7 1/4 1 10
Range Rover
1966-79 2000 (From Engine Suffix G) 200TS (From Engine Suffix D) 8 1/2 1 10
Sunbeam
1965 Alpine Series IV 8 203 1 10
1963-64 Alpine Series III 8 203 1 10
1960-63 Alpine Series II, III 8 203 1 10
1958-61 Alpine Series I, Rapier Series II, III 8 203 1 10
Triumph
GT6
1966-73 MK I, II, III, Herald 12/50 8 1/2 1 10
Vitesse
1962-66 All 8 1 10
2000
1963-67 8 1/2 1 10
Volvo
122 Series
1967-68 1.8L (1783cc) w/B&B Clutch 8 1/2 1 10
1967-68 1.8L (1783cc) w/F&S Clutch 8 1/2 1 10
1962-66 1.8L (1783cc) B18 Engine 8 1/2 1 10
140 Series
1968-74 2.0L (1986cc) w/B&B Clutch 8 1/2 1 10
1968-74 2.0L (1986cc) w/F&S Clutch 8 1/2 1 10
1967-68 1.8L (1783cc) w/B&B Clutch 8 1/2 1 10
1967-68 1.8L (1783cc) w/F&S Clutch 8 1/2 1 10
1800 Series
1966-73 1.8L (1783cc) w/B&B Clutch 8 1/2 1 10
1966-73 1.8L (1783cc) w/F&S Clutch from chassis 21000 8 1/2 1 10
1965-66 1.8L (1783cc) Chassis 10500 to 20999 w/F&S Clutch 8 1/2 1 10
1962-65 1.8L (1783cc) w/B&B Clutch 8 1/2 1 10
544 Series
1962-65 1.8L (1783cc) B20 Engine 81/2 1 10
240 Series
1975-78 2.0L, 2.1L w/B&B Clutch 8 1/2 1 10
1975-78 2.0L, 2.1L w/F&S Clutch 8 1/2 1 10