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Holley GM Muscle Series Air Cleaner Kit 120-217

Holley GM Muscle Series Air Cleaner Kit 120-217
Holley GM Muscle Series Air Cleaner Kit 120-217
$225.05 ea
NEWARRIVING SOONEstimated Ship Date 04/10/2023 (If Ordered Today)20 available from HOLLEY PERFORMANCE PRODUCTS as of 03/24/2023
Model: 3991455
Supplier has not provided any fitment data for this product.
[More Info]
Dress up your engine with a new set of 14 in. Holley GM Muscle valve covers.
  • Clean/Modern Styling w/High Definition Chevrolet And Bowtie Logo
  • Die-Cast Aluminum Lid Construction
  • Stamped Sureflo Style Base w/Knock Out Prov. For FreshAir Adapter
  • Includes Gasket/All Mounting Hardware Necessary For Installation
  • Incl. Non-Reusable Metal Mesh Reinforced Pleated Paper Element
Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
Installation Notes:
Not legal for sale or use in California on any pollution controlled motor vehicles.
About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!


Download Name File Size


Application Universal
Base Style Dropped 1 inch
Base Type 1.000 in. Drop
CARB/Air Horn Diameter 5.125 in.
Diameter 14" Round
Diameter (in.) 14.000 in.
Emission Code 3
Filter Diameter 14"
Filter Height 4.000 in.
Filter Style White Paper
Filter Type White Paper
Finish Factory Orange
Logo Chevrolet with Bowtie
Material Cast Aluminum
Mounting Hardware Included Yes
Part Type Air Cleaner Assembly
Shape Round
Size 14.000 in.


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Holley GM Muscle Series Air Cleaner Kit 120-217:
Classic Nova 2023