XK150 and XK150S (1957-61) • E-Type Series 1 and 2 with triple SU-HD8 carburettors (1961-70) • XJ6 Series I with two SU-HD8 carburettors to March 1791 (models with air conditioning to engine no. 7L29581, models without air conditioning to engine no. 7L26479)