Porsche F1 Replacement Air Filter - 911 | 930 | 1976-1993 FS-POR-911T-BMC-1 Add a BMC Filter Cleaning Kit?:None The newest concept in maintaining

The newest concept in maintaining a flawless finish without rewaxing

Years 1974-1976

Wide Viscosity Range: The 75W-90 viscosity rating ensures optimal performance in both cold and hot temperatures

backing plates

The channel diameter is 38 mm to the throttle body and 46 mm to the intake funnel

Porsche F1 Replacement Air Filter - 911 | 930 | 1976-1993 FS-POR-911T-BMC-1 Add a BMC Filter Cleaning Kit?:None The newest concept in maintainingPorsche F1 Replacement Air Filter For Porsche 911 Turbo (1976 1989), 964 Turbo (1991 1993) Models. Features: Reusable: The filter can be washed and used again, extending its lifespan. Maintains Performance: Being re oilable ensures the filter continues to provide optimal airflow and filtration. Durable: Designed to be a lifetime filter for the vehicle. Returns subject to a 25% restocking fee.