This idle jet holder has a 3mm hole to accept the Weber 32/36 DGV Small Idle Jet (Part No. 1587, sold separately). The body has M6 male threads (6 x 1.0mm).
Fits both the primary and secondary sides of the following Weber carburetors:
32/36 DGV / DGAV / DGEV, non-emission only*
32/36 DFV / DFAV / DFEV
38/38 DGAS / DGES
40 and 46 IDA 3 barrel
DHSA, DIC, DICA, DARA, DATRA, DFD, DFM, DFTA, DMSA, DFI
* Note that some emission-controlled DGAV / DGEV and DGV with idle solenoids use this small size only on the secondary side, with the larger DGAV Primary Idle Jet on the primary side. This jet holder will not accept the larger jet design.