Black Cotton Air Filter Assembly 11" x 2-1/8", 5-1/8" neck

Holley 5-1/8" Neck Black Cotton Air Filter Assembly — 11" x 2-1/8" with Flat Base

Upgrade your intake with a rugged Black Cotton Air Filter Assembly designed for Holley carburetors. This 11" wide filter delivers dependable filtration and a sleek look, built to endure engine heat and debris while staying easy to service.

• 11" overall width with a flat base for secure, straightforward mounting on compatible manifolds
• 5-1/8" Holley neck ensures a tight seal and reliable fit across Holley carburetor applications
• Black washable cotton filter element for repeated cleaning and reuse, reducing maintenance costs and waste
• Steel top lid provides robust protection for the filter media against heat and debris
• Color-matched black finish for a cohesive, OEM-style appearance in any engine bay

Specifications at a glance

• Overall Width: 11" (280 mm)
• Filter Element Height: 2-1/8" (57 mm)
• Base Flange: 5-1/8" (130 mm)
• Base Type: Flat
• Top Style: Steel Top Lid
• Neck: 5-1/8" Holley neck
• Filter Media: Black washable cotton element
• Color: Black

What it does for you

The washable cotton element lets you clean and reuse the filter, cutting ongoing maintenance costs and reducing waste. The flat base provides a stable, hassle-free install on compatible manifolds, while the steel top lid shields the filter media from heat and road debris to preserve airflow and filtration performance over time.

Compatibility & use

Designed specifically for Holley carburetors with a 5-1/8" neck, delivering a secure seal and dependable performance across a range of Holley-powered applications.