Solex Needle and Seat  B17445 = Original Solex P/No. 14740/2.5

Spring-loaded type 

2.5mm Diameter.

Thread 12mm Hex 14 or 16mm

suits:
30AAPI, 30FV, 30PAAI, 30FV-3
32PAIA; B32PAIA; 32PAIA-2; 32PAIAS; B32PAIAS
35AIP-2, 35FAI, 35FVDLOS, 35RAIP-2, 35RFVDLOS, B35AIP-2,
40AIP-2, 40FAIE, 40NNIP, 40NNIP-3, B40AIP-2,  B40HBFGL, B40RVEDOS, B40VEDOS,
B46FPAI

Humber Sceptre 1725cc. 1963--64 Carb. 32PAIA; B32PAIA; 32PAIA-2

Humber Sceptre 1965-67 Carb 32PAIAS; B32PAIAS

Singer Vogue 1725cc. 1965-67 Carb 32PAIA-2

Singer Vogue III; 1600cc. 1964-65 Carb 32PAIA-2

Sunbeam Alpine III, IV; 1600cc. 1963-64 Carb 32PAIA

Sunbeam Alpine IV; GT; 1964 Carb B32PAIA-2

Sunbeam Venezia 1963-64 Carb B32PAIA-2

Sunbeam Rapier Mk IV; V; 1724cc. 1963-67 Carb B32PAIA-2