ROUSH/FORD 399-FORD Performance Supercharger Cooler Lines 17FT 5.0L Fuel Rail Injectors

( Brand: Roush/ford ), ( Manufacturer Part Number: 399-FORD ), ( Type: Supercharger Kit ), ( Items Included: Supercharger, Pulleys, Air Cleaner, Coolant Bottle, Coolant Lines, Intercooler, Fuel Rail W/injectors, Bolts ), ( Drive Type: Belt Driven ), ( Performance Part: Yes ), ( Manufacturer Warranty: 90 Day ), ( Country Of Origin: United States ), ( Finish: Factory Covering ), ( Fitment Type: Direct Replacement ), ( Oe Spec Or Performance/custom: Oe Spec ), ( Ipn: 399- )

Review ROUSH/FORD 17ft 5.0l Performance Supercharger Cooler Lines Fuel Rail Injectors fits MUSTANG

Introducing the Roush/Ford 399-Ford 17ft Mustang 5.0L Performance Supercharger Cooler Lines and Fuel Rail Injectors, expertly engineered to enhance the cooling and fuel delivery systems of your high-performance Mustang engine.

The supercharger cooler lines are meticulously crafted from premium, reinforced rubber material. This material offers superior flexibility and resistance to the extreme temperatures and pressures generated by your supercharger system. The lines are designed to minimize heat transfer between the coolant and the supercharger, ensuring optimal supercharger performance and longevity. Each line is equipped with OEM-style fittings for a secure and leak-free installation.

The fuel rail injectors are an essential component of your engine's fuel delivery system. In this performance package, you'll find a set of high-flow, high-pressure fuel injectors specifically calibrated for the 5.0L Mustang engine. These injectors deliver a precise and consistent fuel spray pattern, ensuring efficient combustion and improved power output. They feature a robust, corrosion-resistant construction, ensuring long-lasting performance under the demands of high-performance driving.

Together, these supercharger cooler lines and fuel rail injectors work in harmony to maximize the potential of your Mustang's 5.0L engine. Enhance your driving experience with increased power, improved engine efficiency, and the peace of mind that comes from using genuine OEM-grade components. Upgrade with confidence, knowing that each part is backed by the unwavering commitment to quality and innovation from Roush.

Buying a Roush/Ford 399 or 5.0L Mustang performance supercharger system is an excellent choice for those seeking to enhance the power and performance of their Mustang. However, adding cooler lines, fuel rail, and injectors to the upgrade can have both advantages and disadvantages.

1. Improved engine cooling: Cooler lines help maintain optimal engine temperature by reducing the heat transfer from the supercharger intercooler to the engine, allowing the engine to perform more efficiently and reducing the risk of engine damage.

2. Enhanced fuel delivery: Upgrading the fuel rail and injectors ensures that the engine receives an adequate fuel supply, which is essential for optimal engine performance and power output.

3. Better fuel atomization: The upgraded injectors provide finer fuel droplets, leading to better combustion efficiency, increased power, and improved drivability.

1. Additional cost: The cost of purchasing and installing a supercharger system, along with the additional components such as cooler lines, fuel rail, and injectors, can be significant.

2. Complexity of installation: Installing a supercharger system, along with the additional components, requires a high level of technical expertise and time, which may require the assistance of a professional or specialized shop.

3. Potential for increased engine noise: The supercharger system itself may generate additional engine noise, which some drivers may find bothersome.

The decision to purchase and install a Roush/Ford 399 or 5.0L Mustang performance supercharger system, along with cooler lines, fuel rail, and injectors, ultimately depends on your individual preferences, budget, and desired level of performance enhancement. While the additional components provide numerous benefits, such as improved engine cooling, enhanced fuel delivery, and better fuel atomization, they also come with added cost, complexity, and potential for increased engine noise.

If you are seeking significant power gains and improved engine performance, investing in a Roush/Ford 399 or 5.0L Mustang performance supercharger system with cooler lines, fuel rail, and injectors is a worthwhile investment. However, be prepared for the added cost, complexity, and potential for increased engine noise. It is recommended to consult with a professional or specialized shop to ensure proper installation and to address any potential concerns.

Details:

Fits 2015 2016 2017 Mustang 5.0L. Unsure what the mileage was when it put on. Removed from a 2017 Mustang 5.0L w/ 85K. Theses parts are in good used condition.

This kit looks fairly complete. THIS PART QUALIFIES FOR FREE SHIPPING WITHIN THE US 48. Please see our pictures for high resolution shots of this exact part. Includes a 90 day warranty.

part #: 399-ford price

• $322.99

specifications reppchargers:

• for models: Mustang
• brand: Roush/ford
• mpn: 399-ford
• type: Supercharger Kit
• items included: Supercharger, Pulleys, Air Cleaner, Coolant Bottle, Coolant Lines, Intercooler, Fuel Rail W/injectors, Bolts
• drive type: Belt Driven
• performance part: Yes
• manufacturer warranty: 90 Day
• country of origin: United States
• finish: Factory Covering
• fitment type: Direct Replacement
• oe spec or performance/custom: Oe Spec
• ipn: 399-

payments reppchargers:

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

returns reppchargers:

• time: 60 Days
• policy: Returns Accepted
• paid by: Buyer

seller reppchargers:

• # reviews: 74578
• city: Pensacola, Florida
• rating: 99.7%

offer reppchargers:

• started: February 8, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• best offers: True
• availability: In Stock

general reppchargers:

• condition: Used
• Air Fuel Delivery > Turbos, Superchargers Intercoolers > Superchargers Parts

shipping reppchargers:

• carrier: UPS
• cost: $0.00
• service: UPS Ground
• type: Fixed
• class: Standard
• transit: 4-9 Days

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