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Description
EFI CARB Hat - 4150 CARB Hat, Natural FinishHolley EFI Carb Hat Smooths Air Flow For More Power; Fits Stock Throttle Body on 1985 98 Camaro Firebird Overview Talk about a smooth operator! This Holley airfoil kit easily adapts to the stock GM throttle body on Chevrolet 5. 7L TPI and LT1 engines used on Camaros and Firebirds. It acts to smooth out and minimize the turbulence of the incoming flow of air into the throttle body. The September, 2002 edition of GM HIGH TECH PERFORMANCE magazine
Holley EFI Carb HatSmooths Air Flow For More Power; Fits Stock Throttle Body on 1985-98 Camaro/Firebird
Overview
Talk about a smooth operator! This Holley airfoil kit easily adapts to the stock GM throttle body on Chevrolet 5.7L TPI and LT1 engines used on Camaros and Firebirds. It acts to smooth out and minimize the turbulence of the incoming flow of air into the throttle body. The September, 2002 edition of GM HIGH-TECH PERFORMANCE magazine reported a 5.8 horsepower increase after installing this Holley airfoil kit on a stock 1994 Camaro Z28 LT1, called "The Grape Of Wrath". Installation is easy; simply snap it into place in the mouth of the throttle body and it's ready to work. Made from space age elastomer, the Holley airfoil will perform effectively and unobtrusively for years.
Fits 1985-92 Camaro/Firebird w/ 5.7L TPI and 1992-98 Camaro/Firebird w/ 5.7L LT1
Features:
- Hi-Flow Contour design for optimal air distribution
- 3.97??? Tall for excellent hood clearance
- 1/8NPT Reference port for boost gauges or carbureted fuel pressure regulators
- Fits all applications with a 5-1/8th??? air cleaner flange, such as Sniper EFI ???? Terminator Stealth ???? 4150 Flange Carburetors and 2300 Flange Carburetors
- The air cleaner stud entry can be drilled to 5/16 for installations with larger air cleaner studs
- Available in Raw Aluminum and Black Powder Coat finishes
- Air cleaner gasket, stud, washer, nut and 1/8NPT plug ???? included
Details:
- Filter Diameter: N/A
- Filter Height: N/A
- Filter Type: N/A
- Finish: Natural
- Gasket Included: Yes
- Inlet: 3.5"
- Material: Cast Aluminum
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Extremely satisfied
Size: 24x5.8, Color: Black, Size: 24x5.8, Color: Black
Very nice. I am extremely happy with them. I used painters tape to hold the bracket in place while I screwed it in, worked like a charm 😁 holds a lot of items
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Reviewed in the United States on April 11, 2026
★★★★★ 3
Good enough
Size: 15x6.8, Color: Black
As cheap as the day is long but functional. These are basically made out of highly compressed paper and finished to feel like wood. The first one I put up was good with a little tilt to the back which is fine. The second one has a more severe tilt and I had to bend the bracket down to decently level it out. They are sturdy enough to hold quite a bit of weight and look good for what they are. I'm not impressed but I'm also not disappointed, the price is a bit steep for what they are but they serve their purpose.
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Reviewed in the United States on November 15, 2025
★★★★★ 4
Great, but bring your own inserts.
Size: 24x7.9, Color: Black
These work great, easy to install. Happy with them. Only problem was the instructions say don’t use the include inserts on wallboard, which meant I had to go out and purchase my own. That’s OK, because I like to use inserts I trust.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Sturdy and attractive
Size: 15x6.8, Color: Black, Size: 15x6.8, Color: Black
Love the shelves, great quality and design. They are very sturdy and perfect for my need. I ordered wine glass holders from Amazon and attached them to the shelves. Impressed and amazed at the look.
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Reviewed in the United States on November 18, 2025
★★★★★ 5
Beautiful shelves.
Size: 24x7.9, Color: White
Beautiful shelves. Easy to put up once you get the holes level.
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Reviewed in the United States on April 28, 2026
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