POLINI intake pipe flexible assembly replacement for Big Valve vertical minarelli valve box (booster rocket, bw's)

The replacement intake pipe for POLINI big valve valve boxes for vertical MINARELLI engines. Flexible and female, it will allow you to switch male carburetors from 17.5mm (phbg or other) to 26mm maximum. Maximum fixing level carburetor diameter: 30mm.

Fixing centers identical to minarelli AM6 50cc valves and pipes with box.