Holley GM Muscle Series Air Cleaner

Elevate your engine's capabilities and aesthetics with the GM Muscle Series Air Cleaner by Holley (120-221). Designed for 4150 and 4160 carburetors, the air cleaner’s cast aluminum construction ensures lightweight strength and durability to withstand the rigors of high-performance applications. The air cleaner features a satin black finish followed by an iconic Chevrolet bowtie logo adding a sleek and professional look to your engine bay. Its 14" spacious design allows for greater air intake, enhancing horsepower and torque. At the same time, its 1” base drop optimizes the airflow into your carburetor, ensuring that your engine gets the clean air it needs.

Features and Benefits:
- Fits 4150 And 4160 Carburetors
- 1” Base Drop
- 14” Diameter
- Die-Cast Aluminum Construction
- Satin Black Finish
- Chevrolet Bowtie Logo
- 4” Filter Height
- Mesh-Reinforced Pleated Cotton Gauze
- Red, Washable Design
- Pre-Oiled Filter
- Includes Carburetor Gasket and Mounting Hardware

The air cleaner boasts a 4" filter designed to improve airflow while maintaining a compact profile for easy fitment under most hoods. For efficient performance, the mesh-reinforced pleated cotton gauze maximizes airflow while filtering out harmful particles, extending the life of your engine. The air cleaner features pre-oiled filtration for maximum efficiency from the moment you install it. Its sleek red color gives your engine a striking appearance while its washable design allows for an easy clean. Plus, a carburetor gasket and mounting hardware are included for secure installation!

Tech Tip: This product is compatible with carburetors with a 5.125” neck diameter. 

Please Note: It’s against the law to install this part on an Emissions Controlled Vehicle. This part is legal for sale and use on Non-Emissions Controlled Vehicles.