Porsche
911 (1963-73) • 911 G model(1974-79) • 914/6 and 916 (1969-73)
Mercedes Benz
W113 280SL (1968-71) • W108 S-Class 280S, 280SE and 280SEL (1968-72) • W109 S-Class 300SEL 2.8 (1967-70)
Austin Healey
BN4, BN6, BN7, BT7, BJ7 and BJ8 with 123 ignition system (1955-68)
Jaguar
All 6-cylinder-models with 123 ignition system, except cars with 2.4 litre engines (1949-87)
Land Rover
Series IIA and III 6 cylinder models with 123 ignition system (1967-80)
Aston Martin
DB4 with 123 ignition system (1958-63) • DB5 with 123 ignition system (1963-65) • DB6 with 123 ignition system (1965-70) • DBS six cylinder models with 123 ignition system (1967-72)
Jaguar
XJ6 (1971-87): Series I 4.2 from engine no. 7L35133, 2.8 from engine no. 7G17029 plus all Series II and Series III models • optional, for conversion to an 123 ignition system: all Jaguar 6-cylinder-models with XK engines, except early XK120 up to 1952 and all cars with 2.4 ltr. engines
MG
MGA with 123 ignition system • MGB from Noember 1967: Roadster from GHN4-138401, GT from GHD4-139471
Sunbeam
Alpine Series III from chassis no. B9204718 plus all Series IV and V (1963-68) - can also be used for earlier models in conjunction with distributor cap 3568