Zenith Needle and seat 2.5mm    

Zenith original number: 017814

This is a high flow N & S, used on many Zenith carburetors fitted to larger capacity English vehicle engines:         

Includes these series carburettors:

30VEG,
33VEM; 33VEM-2,
36VE,
42VEIS; 42VEI-5; 42VEI-8; 42VEI-9, 42VEI-11; 42VEIS; 42VIR, 42VIR-3, 42VIS, 42VIS-3; 42VIS-4;
48VIR-4

As fitted to many larger English vehicles, including:

Albion EN281 1945
Austin A70 Hampshire & Hereford 16HP 1946-53
Austin A90, A95 Westminster 1954-58 
Austin 16HP 23CWT Va 1947-49
Austin WD 1 Ton 4 X 4 1952-53
Bedford Extra Duty 1950-56
Bedford S Havy Duty R & S Series 1957-65
Bedford D43,D53, D63 957
Bedford TD15 1958-68
Bedford S Type 1960-68
Bedford TK, R300, TJ, VAM, SB300 1968-77
Daimler Conquest 1953-56
Dennis 4 X 100 X 120 1948-52
Dorman 1AB, 2AB 1944-52
Ford 14.9 HP; 24HP Car 1938-40 
Garner - Meadows Engine 4 Cyl 90 X 130 1935-38
Guy 4 Cyl 1952
Guy Vixen, Wolf, Otter 1944-1952
Guy Wolf 1934-39
Meadows 6 EW/B Engine 1947-48