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6-3/8" 2-1/2" Air Filter Assy Suits Holley 4150 4160 5-1/8 Neck Black

6-3/8" 2-1/2" Air Filter Assy Suits Holley 4150 4160 5-1/8 Neck Black

$72.00

SKU: 446-921BLK

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Flexible returns

Upgrade your carburetor breathing with this 6-3/8" x 2-1/2" Air Filter Assembly. Built with a black top and a washable black element, it delivers dependable filtration for a range of performance setups while maintaining a sleek, OEM-like appearance.

Key details

  • Outer width: 6-3/8"
  • Height: 2-1/2"
  • Neck inner diameter (I.D.): 5-1/8"
  • Neck I.D.: 5-1/8"
  • Top color: Black
  • Element type: Washable black filtration element

Compatibility

Designed to suit Holley 4150, Holley 4160, and Holley 2300 carburetors. Also compatible with Edelbrock carburetors and Carter & Rochester carburetors or throttle bodies.

Design and benefits

  • Reusable, washable filtration element reduces maintenance costs over time
  • 5-1/8" neck ensures a secure seal on compatible carb throats
  • 6-3/8" width provides ample surface area for efficient airflow
  • Black top adds a clean, performance-oriented look that blends with most engine bays

Usage and care

Install on compatible Holley, Edelbrock, Carter, and Rochester carburetors or throttle bodies. When dirty, wash the element according to standard maintenance practices for washable filters, then reinstall to restore performance without buying a new filter.

Why it matters

  • Improved filtration keeps contaminants out of the intake, helping protect engine internals
  • Reusable design lowers ongoing costs compared with disposable filters
  • Accurate fitment across multiple popular carburetor brands simplifies upgrades or replacements

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