RADIUM 20-1120 Top Fuel Rail Conversion 20B-REW

( Brand: Radium ), ( Type: Fuel Rail ), ( Manufacturer Part Number: 20-1120 ), ( Vintage Part: No ), ( Country Of Origin: United States ), ( Performance Part: Yes ), ( Fuel Type: Gasoline )

Review RADIUM Fuel Rail Top Feed Conversion Mazda Primary

Introducing the Radium Engineering 20-1120 Fuel Rail Top Conversion Kit for Mazda RX-7 and RX-8 20B REW engines. This high-performance component is designed to deliver improved fueling and better drivability for your rotary engine.

The Radium 20-1120 Fuel Rail Top Conversion Kit is an essential upgrade for Mazda RX-7 and RX-8 20B REW owners seeking to enhance their engine's performance. This kit replaces the stock fuel rail top with a new design that offers several advantages.

The conversion kit consists of a new, high-flow fuel rail top that is CNC-machined from 6061-T6 aluminum. This material offers excellent strength, rigidity, and lightweight properties. The new fuel rail top design allows for a more significant fuel pressure increase, enabling better atomization of the fuel for optimal combustion.

The conversion kit also includes four high-performance fuel pressure regulators that provide precise fuel pressure control. These regulators are adjustable, allowing you to fine-tune fuel pressure to suit your specific engine configuration and driving conditions. The regulators are designed to handle the increased fuel pressure and provide reliable and consistent performance.

The Radium 20-1120 Fuel Rail Top Conversion Kit comes with all necessary hardware for installation, including fuel lines and fittings. The installation process is straightforward, and detailed instructions are included to ensure a hassle-free experience.

With this fuel rail top conversion kit, you can expect improved engine performance, better throttle response, and increased power output. It is an excellent choice for those looking to take their Mazda RX-7 or RX-8 20B REW to the next level.

In summary, the Radium Engineering 20-1120 Fuel Rail Top Conversion Kit for Mazda RX-7 and RX-8 20B REW engines is a high-quality, performance-enhancing component that delivers improved fueling and better drivability. It is an essential upgrade for any rotary engine enthusiast seeking to maximize the potential of their Mazda RX-7 or RX-8 20B REW.

Radium Engineering's 20-1120 fuel rail top conversion is a popular upgrade for Mazda RX-7 and RX-8 models with the 20B REW engine. This upgraded fuel rail top offers several benefits, but it also comes with certain drawbacks. Here's a detailed analysis of both:

1. Improved Fuel Delivery: The Radium fuel rail top conversion allows for a more even fuel distribution to the injectors. This results in better combustion efficiency and improved engine performance.

2. Increased Fuel Pressure: The conversion kit increases fuel pressure, which is crucial for high-performance applications. This leads to better atomization of fuel and more efficient combustion.

3. Reduced Fuel Pressure Pulsation: The new fuel rail top design helps to minimize fuel pressure pulsation, which can lead to pinging, knocking, and other engine issues.

4. Improved Engine Response: The Radium fuel rail top conversion can help to improve engine response, making the vehicle more responsive and quicker.

5. Aesthetic Appeal: The Radium fuel rail top conversion looks great under the hood and can be a desirable upgrade for enthusiasts.

1. Cost: The Radium fuel rail top conversion is a relatively expensive upgrade, and it may not be within everyone's budget.

2. Installation Complexity: Installing the fuel rail top conversion requires a fair amount of mechanical knowledge and experience. It may not be a DIY project for everyone.

3. Potential for Leaks: The conversion kit involves removing and replacing the factory fuel rail top. There is a risk of leaks occurring during or after installation, which can be a safety concern and a messy problem to deal with.

4. Noise: Some users have reported an increase in fuel rail noise after installing the Radium fuel rail top conversion. This can be annoying and may require additional noise-reducing modifications.

The Radium Engineering 20-1120 fuel rail top conversion offers several performance benefits for Mazda RX-7 and RX-8 models with the 20B REW engine. However, it also comes with some drawbacks, such as cost, installation complexity, potential for leaks, and increased noise.

If you're an experienced enthusiast looking for a significant performance upgrade for your Mazda RX-7 or RX-8, the Radium fuel rail top conversion is definitely worth considering. However, if you're on a tight budget or not comfortable with the installation process, it may be best to look for other upgrades or modifications.

If you're serious about maximizing the performance of your Mazda RX-7 or RX-8 with the 20B REW engine and have the necessary mechanical knowledge and experience, the Radium Engineering 20-1120 fuel rail top conversion is a great upgrade to consider. Make sure to follow all installation instructions carefully and take the necessary precautions to minimize the risk of leaks.

part # 201120 prices

• $199.95-$231.53

specifications injectiopug:

• for makes: Mazda
• brand: Radium
• type: Fuel Rail
• manufacturer part number: 20-1120
• vintage part: No
• country of origin: United States
• performance part: Yes
• fuel type: Gasoline

offer injectiopug:

• started: December 17, 2025
• sold: 0
• quantity: 2
• options: Ship-to-home
• availability: In Stock

shipping injectiopug:

• carrier: USPS, UPS
• service: USPS Ground Advantage, USPS Priority Mail, UPS 2nd Day Air, UPS Next Day Air
• transit: 5-12 Days
• type: Calculated
• cost: $0.00
• class: Standard, Expedited, One-day

seller injectiopug:

• # reviews: 53536
• rating: 99.9%

general injectiopug:

• condition: New
• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts

returns injectiopug:

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

payments injectiopug:

• credit card: Diners-club
• wallet: Google-pay
• other

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