HOLLEY 12-880KIT Carb Billet Kit 090127122945 Carb/efi REGULATOR-6AN

( Brand: Holley ), ( Manufacturer Part Number: 12-880KIT ), ( Material: Aluminum ), ( UPC: 090127122945 )

Review HOLLEY Carb/efi Adjustable Billet By pass Kit fits EFI

The Holley 090127122945 12-880 Kit is a top-tier solution for those seeking to enhance the fuel delivery system in their high-performance applications. This Billet By-Pass Regulator Kit, specifically designed for carbureted and EFI systems, is a must-have for automotive enthusiasts who demand reliability and efficiency.

This Holley kit comes with a 6AN billet regulator that's CNC-machined for precision and durability. Its billet construction not only ensures a strong and robust design but also contributes to its sleek and attractive appearance. The regulator is designed to maintain a consistent fuel pressure, allowing the engine to perform optimally under various driving conditions.

The Holley 12-880 Kit is equipped with a 6AN inlet and outlet, ensuring compatibility with most modern high-performance fuel systems. This versatility makes it an excellent choice for a wide range of applications, from hot rods and muscle cars to racing vehicles.

One of the key features of this kit is its ability to bypass the factory fuel pressure regulator, offering the user more control over the fuel system. This can lead to improved engine performance, better throttle response, and increased power output. Additionally, the bypass function can help prevent fuel starvation during high-demand situations, ensuring a smooth and consistent power delivery.

The Holley 090127122945 12-880 Kit also includes a 3/8 NPT threaded port for easy installation and integration into the existing fuel system. The kit's high-quality construction, combined with its user-friendly design, makes it an excellent investment for those seeking to optimize the performance of their fuel system.

In summary, the Holley 090127122945 12-880 Kit is a high-performance solution for improving fuel system reliability and efficiency. Its billet construction, 6AN inlets and outlets, and bypass regulator make it a versatile and powerful addition to any high-performance fuel system. This kit is designed to provide users with increased control and improved engine performance, making it an essential tool for automotive enthusiasts and racers alike.

The Holley 090127122945 12-880kit Carb/EFI Billet By-Pass Regulator-6AN is a fuel pressure regulator designed for use in both carbureted and fuel injection systems. This regulator allows users to maintain consistent fuel pressure in their engines, which can lead to improved performance and efficiency. Here are some pros and cons of purchasing this product:

1. Versatility: This regulator can be used in both carbureted and fuel injection systems, making it a convenient choice for those who may switch between the two.

2. Consistent Fuel Pressure: Maintaining consistent fuel pressure is crucial for optimal engine performance. This regulator can help ensure that the engine receives the proper amount of fuel pressure at all times.

3. Durable Construction: The billet aluminum construction of this regulator is both lightweight and durable, making it a reliable choice for high-performance applications.

4. Easy Installation: The kit includes all necessary hardware for installation, making it a straightforward process for most users.

5. Wide Compatibility: This regulator is compatible with a wide range of fuel systems, including those using 6AN fittings.

1. Price: This regulator is pricier than some other options on the market, which may be a concern for budget-conscious consumers.

2. Requires Bleeding: When switching from a carbureted system to fuel injection, the regulator may need to be bled to remove any air bubbles that can interfere with proper fuel flow.

3. Limited Adjustability: While this regulator offers consistent fuel pressure, it may not offer the same level of adjustability as some other options on the market.

In conclusion, the Holley 090127122945 12-880kit Carb/EFI Billet By-Pass Regulator-6AN is a high-quality, versatile fuel pressure regulator that can provide consistent fuel pressure for both carbureted and fuel injection systems. While it may be pricier than some other options, its durability, ease of installation, and wide compatibility make it a worthwhile investment for those seeking improved engine performance. Overall, we recommend this product for those who require a reliable and versatile fuel pressure regulator for their high-performance application.

Details:

12-880KIT Carb/EFI Adjustable Billet By-Pass Regulator-6AN Kit: adjustable billet by-pass return fuel pressure regulator 6AN Kit with Fuel Pressure Gauge and Adapter Fittings x000D Boost Reference - 1:1. Buyer pays return shipping. These regulators are adjustable from 4-65 psi and will handle both carburetors EFI applications. They are precision machined from 6061-T6 billet aluminum for strength and durability.

Holley Billet Fuel Pressure Regulators are part of a complete line fuel system products from. A second pressure spring is included allowing you to increase the fuel range up 65 psi for EFI systems.

part #: 12880kit prices

• $199.95-$275.95

specifications airfueldepo:

• for models: Efi
• brand: Holley
• mpn: 12-880kit
• material: Aluminum
• upc: 090127122945

returns airfueldepo:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller airfueldepo:

• city: Bowling Green, Kentucky
• rating: 99.4%
• # reviews: 18157

shipping airfueldepo:

• cost: $0.00
• transit: 4-7 Days
• class: Standard
• type: Fixed
• carrier: UPS
• service: UPS Ground

offer airfueldepo:

• started: December 13, 2025
• options: Ship-to-home
• sold: 0
• quantity: 10
• availability: In Stock

payments airfueldepo:

• other
• credit card: Visa
• wallet: Google-pay

general airfueldepo:

• Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery
• condition: New

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