
Holley EFI GM Style Filter/ Regulator Standard
4150 CARB HAT, BLACK FINISH
Overview
Introducing carb hats from Holley EFI. These new carb hats are the perfect solution for any blow through installation. The Holley EFI carb hats contoured designed promotes optimal airflow, while providing excellent hood clearance for most applications with a 5-1/8" air cleaner flange. These hats feature a 1/8th NPT reference port that can be used as a convenient hookup for boost gauges or carbureted fuel pressure regulators . The inlet is designed for a 3.5" silicone coupler, with a sealing lip to ensure a leak free installation.
Features:
- GM style Filter / Bypass Style Regulator
- All stainless steel construction for improved corrosion resistance
- Designed with one inlet, one outlet, and one return
- Fixed pressure at 58 psi
- Nominal Micron Rating: 5
- Can be used with other EFI systems that require 58 psi
- Not recommended with fuel pumps that flow over 450 LPH
- Available with stock quick connectors or with -6AN male connections
- Return line required for proper regulator operation
Details:
- Fuel System: EFI
- Fuel Type: Gas
- Micron: 5
- Style: Return Style
- Warranty: Limited 90 Day
Links
Instruction Sheet
Original: $72.16
-70%$72.16
$21.65More Images




Holley EFI GM Style Filter/ Regulator Standard
4150 CARB HAT, BLACK FINISH
Overview
Introducing carb hats from Holley EFI. These new carb hats are the perfect solution for any blow through installation. The Holley EFI carb hats contoured designed promotes optimal airflow, while providing excellent hood clearance for most applications with a 5-1/8" air cleaner flange. These hats feature a 1/8th NPT reference port that can be used as a convenient hookup for boost gauges or carbureted fuel pressure regulators . The inlet is designed for a 3.5" silicone coupler, with a sealing lip to ensure a leak free installation.
Features:
- GM style Filter / Bypass Style Regulator
- All stainless steel construction for improved corrosion resistance
- Designed with one inlet, one outlet, and one return
- Fixed pressure at 58 psi
- Nominal Micron Rating: 5
- Can be used with other EFI systems that require 58 psi
- Not recommended with fuel pumps that flow over 450 LPH
- Available with stock quick connectors or with -6AN male connections
- Return line required for proper regulator operation
Details:
- Fuel System: EFI
- Fuel Type: Gas
- Micron: 5
- Style: Return Style
- Warranty: Limited 90 Day
Links
Instruction Sheet
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
4150 CARB HAT, BLACK FINISH
Overview
Introducing carb hats from Holley EFI. These new carb hats are the perfect solution for any blow through installation. The Holley EFI carb hats contoured designed promotes optimal airflow, while providing excellent hood clearance for most applications with a 5-1/8" air cleaner flange. These hats feature a 1/8th NPT reference port that can be used as a convenient hookup for boost gauges or carbureted fuel pressure regulators . The inlet is designed for a 3.5" silicone coupler, with a sealing lip to ensure a leak free installation.
Features:
- GM style Filter / Bypass Style Regulator
- All stainless steel construction for improved corrosion resistance
- Designed with one inlet, one outlet, and one return
- Fixed pressure at 58 psi
- Nominal Micron Rating: 5
- Can be used with other EFI systems that require 58 psi
- Not recommended with fuel pumps that flow over 450 LPH
- Available with stock quick connectors or with -6AN male connections
- Return line required for proper regulator operation
Details:
- Fuel System: EFI
- Fuel Type: Gas
- Micron: 5
- Style: Return Style
- Warranty: Limited 90 Day
Links
Instruction Sheet























