Black Cotton Hi Flow Air Filter Assembly 11" x 6", 5-1/8" neck,
SKU: AF2251-3135
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Black Cotton Hi-Flow Air Filter Assembly — Holley Neck 5-1/8" (11" x 6" with 5-1/8" flange)
Upgrade your Holley-style intake with a dedicated full-flow air filter assembly featuring a flat-base design, a black washable cotton element, and a top lid engineered to promote consistent airflow through the filter media. Designed for a 5-1/8" Holley neck, this reusable filter blends performance with VIN-friendly aesthetics for a wide range of engine bays.
Key benefits
- Full-flow design ensures air reaches the filter medium uniformly across the entire surface area for dependable filtration performance.
- Black washable cotton element provides repeated use with simpler maintenance and lower ongoing filter costs.
- Flat-base mounting with a 5-1/8" flange delivers a secure, stable fit on compatible Holley neck setups.
- Compact overall height (8") paired with an 11" wide footprint fits a variety of engine compartments without sacrificing filtration area.
Specifications
- Overall Width: 11" (280 mm)
- Filter Element Height: 6" (153 mm)
- Overall Height: 8" (202 mm)
- Base Flange: 5-1/8" (130 mm)
- Base Type: Flat
- Neck: 5-1/8" Holley neck
- Top Style: Full Flow
- Cotton Element: Black washable cotton
Ideal use cases
- Aftermarket Holley carburetor installations requiring a dedicated 5-1/8" neck filter.
- Street cars, hot rods, and trucks where a durable, reusable filter with a clean black finish complements engine bay aesthetics.
Maintenance & care
Since the element is washable cotton, follow standard cleaning guidelines for reusable cotton filters and ensure the element is completely dry before reinstallation to maintain filtration efficiency.
Why choose this filter
This assembly combines a genuine full-flow approach with a reusable, black cotton element, delivering consistent airflow, reduced replacement costs, and a streamlined fit for Holley-style systems. The compact height and wide footprint maximize filtration area while preserving room in tight engine bays.