Designed for blow-through boosted applications, this Holley EFI carb hat's contoured shape promotes optimal airflow while providing excellent hood clearance on applications with a 5-1/8" air cleaner flange. A 1/8 NPT reference port gives a convenient hookup for boost gauges or carbureted fuel pressure regulators, and the 3.5" inlet is sized for a silicone coupler with a sealing lip for a leak-free installation.
Specifications:
- Material: Cast Aluminum
- Finish: Natural
- Height: 3.97"
- Inlet: 3.5" (silicone coupler)
- Reference Port: 1/8 NPT
- Flange Fitment: 5-1/8" air cleaner flange (Sniper EFI, Terminator Stealth, 4150 and 2300 flange carburetors)
- Gasket Included: Yes
- Part Number: 120-230
The air cleaner stud entry can be drilled to 5/16" for installations using larger air cleaner studs. Also available in a Black Powder Coat finish.
FAQ
What is this carb hat designed for?
Blow-through boosted applications where the carburetor sits inside a sealed housing pressurized by the turbo or supercharger.
What flange size does it fit?
Any application with a 5-1/8" air cleaner flange, including Sniper EFI, Terminator Stealth, 4150, and 2300 flange carburetors.
What is the reference port for?
A 1/8 NPT port for connecting a boost gauge or a carbureted fuel pressure regulator.
What's included?
An air cleaner gasket, stud, washer, nut, and 1/8 NPT plug.
What other finish is available?
A Black Powder Coat finish, in addition to this natural (raw aluminum) finish.
