Rubber airflow relief flaps allow for increased airflow through the radiator at higher speeds while maintaining efficient fan-directed airflow at lower speeds, Works well with Speedway Motors Aluminum Fan Shrouds (sold separately) and other shrouds with large flat surfaces, Included template allows for easy layout and perfectly located holes to snap flaps in place, Kits available with 2, 4, 6, or 8 flaps and one aluminum template.
