
( Brand: Holley ), ( Type: Adjustable Billet By-pass Fuel Regulator ), ( Manufacturer Part Number: 12-879 ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes ), ( UPC: 090127734971 )
Review HOLLEY Performance Adjustable Billet By pass Fuel Regulator
The Holley 12-879 Billet By-Pass Fuel Regulator is a high-performance fuel regulator designed for serious automotive enthusiasts seeking precise fuel pressure control in their hot rod, muscle car, or race vehicle. This billet fuel regulator is meticulously crafted from premium, heavy-duty materials to ensure unwavering durability and reliability under even the most demanding conditions.
Featuring a 3/8 NPT inlet and outlet, the 12-879 billet by-pass fuel regulator is engineered to deliver fuel pressure between 4 and 8 psi, providing optimal engine performance for various applications. Similar to the Holley four-corner adjustable regulators, this model comes equipped with a by-pass valve that ensures a steady fuel pressure, even when the engine idle speed fluctuates or when manifold vacuum is present.
The billet construction of this regulator utilizes a precision machined, aerospace-grade 6061-T6 aluminum body, leaving no compromises on strength and weight. Its large top and bottom mounting bosses provide a secure mounting platform, making installation a breeze, allowing you to enjoy your project without concerns about leakage.
Sporting a minimalist, cleaned-up design, the 12-879 fuel regulator is an excellent choice for those wishing to enhance the appearance of their engine bay while maximizing performance. It ships with stainless steel mounting hardware and a 6-inch vinyl-coated braided fuel hose to guarantee a clean and professional installation.
With the Holley 12-879 Billet By-Pass Fuel Regulator, you'll gain finely-tuned fuel pressure control, ensuring your engine runs at its best, while also adding an eye-catching touch to your vehicle's engine compartment.
Holley 12-879 Performance Billet By-Pass Fuel Regulator: A Detailed Analysis
The Holley 12-879 Performance Billet By-Pass Fuel Regulator is a popular aftermarket option for fuel system upgrades in performance applications. This regulator is designed to provide better fuel pressure control and improved fuel delivery. Let's examine its key features, advantages, and potential drawbacks.
Features:1. CNC machined billet aluminum construction for durable and lightweight design
2. Adjustable fuel pressure output from 30 to 100 psi
3. Easy-to-use adjustment knob at the fuel inlet
4. Integrated -8 AN inlet and outlet fuel ports
5. Compatible with both EFI and carbureted applications
Advantages:1. Improved fuel flow and pressure stability: The higher fuel pressure range allows for better atomization, which in turn results in improved combustion efficiency, and ultimately, increased power output.
2. Easy Adjustment: The adjustment knob at the fuel inlet makes it simple to fine-tune fuel pressure for various conditions.
3. Enhances throttle response: A consistent fuel pressure supply reduces throttle lag and improves engine response.
4. Lighter weight: The billet aluminum construction makes the regulator lighter than its cast iron counterparts, contributing to easier installation and better overall weight distribution.
5. Versatile application compatibility: Suitable for both EFI and carbureted applications makes it a versatile choice for various engine builds.
Disadvantages:1. Expensive compared to stock regulators: The Holley 12-879 Performance Billet By-Pass Fuel Regulator comes at a higher price point than stock or OEM regulators.
2. May require fuel pressure gauge: To effectively use the adjustment feature, a fuel pressure gauge is necessary for monitoring and fine-tuning fuel pressure.
3. Limited internal clearance: The Holley 12-879 regulator has limited internal clearance, which may not be compatible with certain large fuel lines or fittings.
Conclusion:The Holley 12-879 Performance Billet By-Pass Fuel Regulator stands out as a high-quality aftermarket fuel regulator with its durable construction, adjustable fuel pressure output, and compatibility with various applications. It offers advantages in terms of improved engine performance and ease of use, making it an attractive choice for performance enthusiasts. However, its high cost and limited internal clearance are important factors to consider. Ultimately, if the cost is acceptable and factors such as application compatibility and the need for adjustability align with your engine build, the Holley 12-879 Performance Billet By-Pass Fuel Regulator is a wise investment.
Recommendation:For those in search of an aftermarket fuel regulator with superior performance and adjustability, the Holley 12-879 Performance Billet By-Pass Fuel Regulator is an excellent choice, especially for high-performance applications or for situations where fine-tuning fuel pressure is essential. It is crucial to carefully consider the price, the need for a fuel pressure gauge, and ensuring compatibility with the correct fuel lines and fittings before making the purchase.
part # 12879 prices
- $204.95-$234.99
specifications injectiopug:
- brand: Holley
- type: Adjustable Billet By-pass Fuel Regulator
- manufacturer part number: 12-879
- country/region of manufacture: United States
- performance part: Yes
- upc: 090127734971
general injectiopug:
- condition: New
- Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
returns injectiopug:
- time: 30 Days
- policy: Returns Accepted
- paid by: Seller
seller injectiopug:
- rating: 99.5%
- # reviews: 101058
payments injectiopug:
- wallet: Paypal
- other
- credit card: Mastercard
shipping injectiopug:
- service: Standard
- class: Standard
- type: Fixed
- cost: $0.00
- transit: 4-9 Days
offer injectiopug:
- options: Ship-to-home
- sold: 0
- quantity: 5
- started: December 31, 2024
- availability: In Stock
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