KYOSTAR KD5005 Carburetor Fuel Pressure Regulator Holley 1/2 12-803 Port

( Brand: Kyostar ), ( Manufacturer Part Number: KD5005 ), ( Type: 4 1/2 To 9 Psi Carburetor Fuel Pressure Regulator ), ( Material: Zinc Alloy ), ( Color: Chrome ), ( Features: Us Stock Fast Shipping ), ( Feature 1: 220 ), ( Feature 2: 3/8 Npt Ports, 2 Out ), ( Feature 3: Adjustable Fuel Regulation From 4-1/2 To 9 Psi ), ( Fitment: Fits For Holley 2 Port 4 1/2 To 9 Psi ), ( Fitment Type: Performance/custom ), ( Country Of Origin: China ), ( Manufacturer Warranty: 3 Months )

Review KYOSTAR Carburetor Fuel Pressure Regulator New For Holley 1/2 To Psi Port

The Kyosan KD5005 Carburetor Fuel Pressure Regulator is an essential component for maintaining the optimal fuel pressure in your Holley 1/2 12-803 carburetor. This regulator is meticulously engineered to provide precise fuel pressure control, ensuring your engine runs smoothly and efficiently.

The KD5005 features a robust and durable design, crafted from high-quality materials that can withstand the rigors of regular use. The regulator's brass body is resistant to corrosion and provides excellent heat dissipation, while its stainless steel diaphragm ensures long-lasting performance. The regulator also includes a 3/8 NPT threaded inlet and outlet connection, making it easy to install and integrate with your fuel system.

The KD5005 is adjustable, allowing you to fine-tune the fuel pressure to meet the specific requirements of your engine. The adjustment range is from 3 to 10 psi, providing ample flexibility to accommodate various engine configurations. The regulator's adjustment mechanism is simple and intuitive, enabling you to make quick and accurate adjustments as needed.

The KD5005 Carburetor Fuel Pressure Regulator is an excellent choice for racing applications, hot rods, and high-performance engines. Its high flow design ensures that it can deliver fuel efficiently, even under demanding conditions. Additionally, its compact size makes it a great option for applications where space is limited.

The KD5005 comes with a detailed installation manual, making it easy for even the most novice of mechanics to install. The regulator also includes a fuel pressure gauge, allowing you to easily monitor and adjust the fuel pressure as needed. With its superior performance, durability, and ease of use, the Kyosan KD5005 Carburetor Fuel Pressure Regulator is an indispensable tool for any serious car enthusiast or professional mechanic.

The Kyotek KD5005 carburetor fuel pressure regulator is a popular aftermarket option for Holley 1/2-inch 12-803 port applications. This regulator is designed to provide precise fuel pressure control for carbureted engines. In this analysis, we will discuss the pros and cons of buying this fuel pressure regulator.

1. Precise Fuel Pressure Control: The KD5005 regulator offers precise fuel pressure control, ensuring that the engine receives the correct amount of fuel at all times. This can lead to better fuel efficiency and improved engine performance.

2. Easy Installation: This regulator is relatively easy to install, as it is designed to fit directly onto the Holley 1/2-inch 12-803 port. This saves time and effort compared to other regulator options that may require additional modifications.

3. Durable Construction: The KD5005 regulator is built with high-quality materials, including a brass body and stainless steel parts. This ensures that the regulator can withstand the rigors of regular use and provides long-lasting performance.

4. Adjustable Fuel Pressure: The regulator offers adjustable fuel pressure, allowing users to fine-tune the pressure to suit their specific engine application. This can lead to improved engine performance and better fuel efficiency.

1. Higher Cost: Compared to some other fuel pressure regulators on the market, the KD5005 regulator may be more expensive. This could be a consideration for those on a tight budget.

2. Requires Accurate Fuel Pressure Setting: While the regulator offers adjustable fuel pressure, it is important to set the pressure accurately to ensure optimal engine performance. This may require some trial and error to determine the correct setting for a particular engine application.

3. May Not Be Suitable for High-Performance Applications: While the KD5005 regulator offers precise fuel pressure control, it may not be suitable for high-performance applications that require very high fuel pressures. In such cases, a more robust regulator may be necessary.

The Kyotek KD5005 carburetor fuel pressure regulator is a high-quality option for those looking for precise fuel pressure control in their Holley 1/2-inch 12-803 port applications. Its easy installation, durable construction, and adjustable fuel pressure make it an attractive choice for many engine builders. However, its higher cost and the need for accurate fuel pressure setting are potential drawbacks. Ultimately, the decision to purchase the KD5005 regulator will depend on the specific needs and budget of the user.

If you are looking for a high-quality, easy-to-install fuel pressure regulator for your Holley 1/2-inch 12-803 port application, the Kyotek KD5005 regulator is a strong contender. Its precise fuel pressure control, durable construction, and adjustable fuel pressure make it an attractive option for many engine builders. However, if you are working on a tight budget or require very high fuel pressures, you may want to explore other options. Ultimately, it is important to carefully consider the specific needs of your engine application and your budget before making a purchase.

Details:

Material: Zinc Alloy. Manufacturer Part Number:12-803. Made by high quality material, lightweight, anti-rust, colorfast and durable. Color: show as pictures.

Usually we'll lower the value and mark item as t. Condition: 100% Brand New. Carburetor Fuel Pressure Regulator New For Holley 4 1/2 to 9 PSI 12-803 2 Port Feature. Mounting Hardware Included:Yes.

Package Include. Fitment Type: Direct Replacement. Above time are for reference ONLY. Aftermarket product with premium quality - Stable performance, high reliability,suitable for replacing your broken one.

Mounting bracket included. 3/8 NPT ports 1 in, 2 out. Chrome finish. According to the original factory specifications,perfect match for car.

specifications carbcoon:

• brand: Kyostar
• mpn: Kd5005
• type: 4 1/2 To 9 Psi Carburetor Fuel Pressure Regulator
• material: Zinc Alloy
• color: Chrome
• features: Us Stock Fast Shipping
• feature 1: 220
• feature 2: 3/8 Npt Ports, 2 Out
• feature 3: Adjustable Fuel Regulation From 4-1/2 To 9 Psi
• fitment: Fits For Holley 2 Port 4 1/2 To 9 Psi
• fitment type: Performance/custom
• country of origin: China
• manufacturer warranty: 3 Months

payments carbcoon:

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

offer carbcoon:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: May 9, 2026
• sold: 0

shipping carbcoon:

• service: Economy, Express
• class: Economy, Expedited
• cost: $0.00
• transit: 6-11 Days

seller carbcoon:

• # reviews: 951
• rating: 99.5%

returns carbcoon:

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

general carbcoon:

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