CFR Performance Retro-Style Air Cleaner Assembly – 15½" x 16" Round, Black Steel, ¾" Raised Base – Compatible with 4-Barrel Carbs (1951–56 Oldsmobile & Cadillac Style) 7/8 Scale
Add classic style and modern functionality to your engine bay with this CFR Performance retro-style air cleaner assembly, modeled after the iconic 1951–1956 Oldsmobile and Cadillac units. This air cleaner features a ¾” raised base for improved hood clearance and airflow alignment. Crafted from heavy-gauge stamped steel and finished in durable black steel, it’s the perfect blend of vintage aesthetics and high-performance durability.
Designed to fit standard 5-1/8” carburetor necks (common to most 4-barrel carburetors), this unit comes complete with a 3.5” washable filter, steel base and top, and an aluminum knob-style air cleaner nut. A rear notch provides extra clearance for GM HEI distributors, making installation smooth even in tight engine bays.
Key Features:
Classic Styling: Inspired by the look and dimensions of 1951–56 Oldsmobile and Cadillac air cleaners for a true vintage upgrade
¾” Raised Base Design: Helps improve hood clearance and positions the filter for better airflow alignment
HEI Distributor Clearance: Rear notch provides clearance for large GM HEI distributors, improving compatibility
Standard Carb Neck Fit: Fits 5-1/8” carb necks, typical for most 4-barrel carburetors and throttle bodies (please verify for fit)
Durable Construction: Fully spot welded and stamped from heavy-gauge steel for long-lasting performance
Black Steel Finish: Finished in black steel for corrosion resistance and a clean appearance
Ready to Install: Includes air filter, steel base and top, carburetor stud, and aluminum knob-style wing nut
Specifications:
Base Style: ¾" Raised
Air Cleaner Shape: Round Oval
Air Cleaner Size: 15½" L x 16" W
Top Design: Smooth
Top Material: Heavy-Gauge Steel
Top Finish: Black Steel
Filter Height: 3.5 in.
Net Height from Carb Flange: 4.5 in.
Base Material: Heavy-Gauge Steel
Filter Element: Washable Filter Included
Neck Opening: 5-1/8" diameter
Air Cleaner Nut Style: Aluminum knob
Quantity: Sold individually
Package Includes:
1 x Black Steel Air Cleaner Top
1 x ¾” Raised Steel Base
1 x 3.5” Washable High Air Filter Element
1 x Aluminum Knob-Style Air Cleaner Nut
1 x Carburetor Stud
Why Choose This Product?
A vintage-style upgrade styled after classic GM performance air cleaners
Heavy-duty construction with show-quality looks
Built-in features like HEI distributor clearance and raised base for real-world performance
Includes everything needed for a quick, hassle-free installation
Give your engine bay that iconic early-'50s look with modern materials and engineering. The CFR Performance 1951–56 style air cleaner delivers standout styling, perfect fitment, and high-quality performance in one complete package.