GM 12553917 Jet Multiport Fuel Injection Manifold Ron Wiring Francis Pfi

( Brand: Gm ), ( Mounting Style: Bolt-on ), ( Color: Silver ), ( Items Included: Thermostat, Housing Spacers, Mounting Hardware, Screw, Washer ), ( Manufacturer Part Number: 12553917 ), ( Cylinder Head Type: Vortec ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Fuel Type: Gasoline ), ( Type: Intake Manifold ), ( Engine Size: 350 In ), ( Features: Bare ), ( Country Of Origin: United States )

Review GM Chevy Jet Multiport Fuel Injection System Manifold Ron Francis Wiring Pfi fits RAM

The GM 12553917 Chevy Ram Jet Multiport Fuel Injection Manifold from Ron Francis is a high-performance replacement component designed for Chevrolet engines using the Ram Jet Multiport Fuel Injection system. This manifold is an essential upgrade for any automotive enthusiast looking to improve their engine's fuel delivery and efficiency.

This Ron Francis manifold is meticulously engineered to provide an accurate and consistent fuel delivery system. It features a robust design with a durable cast aluminum construction that is resistant to corrosion and heat. The manifold comes with a precisely machined surface for optimal fuel pressure and distribution, ensuring that each cylinder receives the exact amount of fuel needed for optimal combustion.

The manifold is compatible with the Ram Jet Multiport Fuel Injection system, which utilizes a pressure fuel injector (PFI) design. This design allows for precise fuel injection directly into the intake port, resulting in improved fuel atomization and better engine performance.

The Ron Francis GM 12553917 manifold also includes wiring for the PFI system, which is a significant advantage for those looking to simplify their installation process. The wiring harness is designed to be a direct fit, making it easy to connect to the engine harness and get the manifold up and running in no time.

This manifold is an excellent choice for those looking to enhance their engine's performance, improve fuel efficiency, and reduce harmful emissions. It is also suitable for race applications, where consistent fuel delivery and efficient combustion are crucial.

With its durable construction, precise fuel delivery system, and convenient wiring harness, the Ron Francis GM 12553917 Chevy Ram Jet Multiport Fuel Injection Manifold is a must-have upgrade for any Chevrolet engine using the Ram Jet Multiport Fuel Injection system. Whether you're a seasoned mechanic or a DIY enthusiast, this manifold is sure to provide you with the performance and reliability you've been looking for.

Pros and Cons of Buying a GM 12553917 Chevy Ram Jet Multiport Fuel Injection Manifold with Ron Francis Wiring PFI

The GM 12553917 Chevy Ram Jet Multiport Fuel Injection Manifold with Ron Francis Wiring PFI is a popular aftermarket upgrade for those looking to improve their vehicle's fuel injection system. In this article, we will discuss the advantages and disadvantages of buying this particular manifold and wiring harness kit.

1. Improved Engine Performance: The Chevy Ram Jet Multiport Fuel Injection Manifold is designed to provide better fuel atomization and distribution, leading to improved engine performance, increased horsepower, and better fuel efficiency.

2. Better Fuel Economy: By improving the fuel injection system, the manifold can help increase fuel economy, allowing motorists to save money on gas over time.

3. OEM-Quality Wiring Harness: The Ron Francis Wiring PFI harness is designed to be a direct replacement for the original wiring harness, ensuring a reliable and trouble-free installation.

4. Easy Installation: The manifold and wiring harness are designed to be easy to install, with clear instructions and minimal modifications required.

5. Durable Construction: Both the manifold and wiring harness are built to last, with high-quality materials and robust construction.

1. Cost: The GM 12553917 Chevy Ram Jet Multiport Fuel Injection Manifold with Ron Francis Wiring PFI can be a significant investment, especially for those on a budget.

2. Compatibility: While the manifold is compatible with a wide range of applications, it may not be the best choice for all vehicles or engine configurations.

3. Complex Installation (for some): While the installation process is generally straightforward, some may find it to be more complicated than expected, particularly if they are not experienced with engine work.

The GM 12553917 Chevy Ram Jet Multiport Fuel Injection Manifold with Ron Francis Wiring PFI is an excellent choice for those looking to improve their vehicle's fuel injection system and experience better engine performance, improved fuel economy, and a reliable installation. Although it comes with a higher price tag, the benefits often outweigh the costs for enthusiasts and those who prioritize a high-performance driving experience.

If you are considering purchasing the GM 12553917 Chevy Ram Jet Multiport Fuel Injection Manifold with Ron Francis Wiring PFI, we recommend carefully evaluating the compatibility of the manifold with your vehicle and engine configuration, and considering the potential benefits in terms of engine performance and fuel economy. Additionally, make sure to follow the installation instructions carefully and seek professional assistance if needed.

Details:

Its never been started or ran. The wiring has never been installed. Comes with oil pressure sensor, temp inlet air full wiring fuse panel and o2 sensor installation clamp install instructions. Ram Jet EFI intake, injectors, plenum throttle body.

Small block Chevy. All essentially new. Includes Ron Francis Ram jet wiring harness, ECM, and service manual.

part #: 12553917 prices

• $399.99-$749.95

specifications inputmanifolds:

• for models: Ram
• for makes: Chevy
• brand: Gm
• mounting style: Bolt-on
• color: Silver
• items included: Thermostat, Housing Spacers, Mounting Hardware, Screw, Washer
• manufacturer part number: 12553917
• cylinder head type: Vortec
• material: Aluminum
• vintage part: Yes
• placement on vehicle: Front
• fuel type: Gasoline
• type: Intake Manifold
• engine size: 350 In
• features: Bare
• country of origin: United States

seller inputmanifolds:

• city: Cartersville, Georgia
• # reviews: 179
• rating: 100.0%

shipping inputmanifolds:

• service: USPS Ground Advantage
• cost: $95.11
• type: Calculated
• transit: 5-13 Days
• class: Standard
• carrier: USPS

returns inputmanifolds:

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

offer inputmanifolds:

• started: December 14, 2025
• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• availability: In Stock

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: New other see details

payments inputmanifolds:

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

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