6-3/8" x 4" Air Filter Assembly Suits Holley 4150 4160 5-1/8 Neck

6-3/8" x 4" Air Filter Assembly for Holley 4150/4160/2300 (5-1/8" Neck)

Designed to fit Holley 4150, 4160, and 2300 carburetors or throttle bodies with a 5-1/8" neck, this air filter assembly balances filtration area with compact height. Its 6-3/8" outer diameter provides ample filtering surface while the 4" height keeps it clear of surrounding components in tight engine bays.

Compatibility

Compatible with Holley 4150, 4160, and 2300 carburetors or throttle bodies that use a 5-1/8" neck.

Key dimensions

• Outer diameter: 6-3/8" (161.4 mm)
• Height: 4" (101.6 mm)
• Neck I.D.: 5-1/8" (130 mm)
• Filter element: Black washable cotton
• Top: Black top

Filtration technology and benefits

The washable cotton filter element enables repeated use, reducing filter costs and waste. The 5-1/8" neck specification ensures a secure, direct fit on compatible Holley assemblies, helping to maintain a consistent seal and reliable airflow.

Why this matters

• Maximized filtration area within a compact footprint thanks to the wide 6-3/8" diameter.
• Secure, direct-fit compatibility with Holley 4150/4160/2300 platforms featuring a 5-1/8" neck.
• Durable black top design for ease of maintenance and a clean, professional appearance.

Use cases

Ideal for performance builds where space is at a premium but you still want robust filtration. This assembly serves as a direct-fit upgrade or replacement for Holley carburetors using a 5-1/8" neck, delivering reliable airflow and cost-effective maintenance over time.