This is a handy MB upgrade kit to suit Dellorto PHBH carbs to try to avoid any issues with modern fuels.
The kit includes:
Fuel resistant float, 7 grams in Red
Full set of fuel resistant Viton O rings for float bowl screw, float bowl, carb top PHBH and PHBL, air screw, tickover screw and choke jet
Fuel resistant 2 clip type Viton Carb mounting rubber for 26, 28, 30mm PHBH