GY6 150 48mm Air Filter

your stock carb needs a 42mm and PWK needs 48

Carbs that need 48mm from GY6 150s to PWK carbs

High-performance air filter for stock carbs plus high-performance carbs needing 48mm opening which this filter does fine.

Fits most stock and performance 150 carbs

For larger carbs 30mm 32mm that are used on scooters, carts ATVs 125-250cc.

Also for two stroke big carbs also.