Main jet to suit Weber carburettor;
DAT, DATR, DATRA, DCA, DCNF, DCNFA, DCNVH, DCNV, DFT, DFTA, DFTH, DFTM, DMTC, DMTE, DMTL, DMTR, DMTRA, DMTT, DRT, DRTC, DRTM, DSTA
Genuine Weber calibrated part