The PE is
available in a wide range of diameters from 20 to 38 mm.
Used on two stroke scooters, trial and minicross bikes is the inexpensive bolt-on
performance item on engines that needs a round response.
The round slide valve is chromed plated for performance and less wear.
series are also recommended on vintage dirt bikes, two or three cilynders two stroke old
engines and those big bore '70 circa motocross bikes.