with spring - carburettor piston
Jaguar: XK120 and XK140 with SU-H6 carburettors (1948-57)
Austin Healey: BN1, BN2 and BN4 to 48862 with SU-H4 resp. H6 carburettors • BN7 and BT7 with SU-HS4 carburettors from engine no. 29E101
MG: MGA 1500, 1600 and 1622 with SU-H4 carburettors • MGA Twin Cam with SU-H6 carburettors
Sprite / Midget: Sprite I with SU-H1 carburettors