Intake system with a two-valve diaphragm insert for 19–21 mm Dell'Orto PHBG carburetors, compatible with your Puch moped.
Due to its design, this model is often found on the market under the name “4-valve diaphragm,” but technically it is a two-valve diaphragm insert.
Connection diameter: 24 mm
; inner diameter: 19 mm
A quality product from the Italian manufacturer Polini.
| Manufacturer | Polini |
| Area of application | Tuning |
| Number of flaps | 4 pcs |
| Ø inside | 19 mm |
| Ø outside | 24 mm |
| Hole pattern [mm] | 56 x 30 mm / 39 x 36 mm |
| Mounting type | Screws |
| Puch |
| Peugeot |
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