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Hemi Fuel Upgrades

Built for your Hemi-powered Chrysler, Dodge, Ram, or Jeep, this collection of fuel upgrades is designed to enhance your engine’s performance and reliability. Whether you’re running a 5.7L, 6.4L, or 6.2L Hellcat, these fuel system components support better fuel delivery, throttle response, and overall power output.

Explore a range of high-quality fuel pumps, injectors, regulators, and supporting hardware engineered to meet the demands of boosted and naturally aspirated Hemi engines. These upgrades help ensure consistent fuel flow under load, improving drivability and engine efficiency.

Key features include: - High-flow fuel pumps for sustained power - Precision fuel injectors for optimal spray patterns - Adjustable fuel pressure regulators for tuning flexibility - Durable fuel lines and fittings for reliability

Shop fuel upgrades for your Hemi at FastHemis and get the parts you need to maximize your engine’s potential.

SELECT YOUR VEHICLE

28 Results

BBK Performance High Flow Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025
BBK Performance High Flow Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025
Sold out
usa

BBK Performance High Flow Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392

BBK
4.0 (1)

Regular price $299.99 $269.99 10% off

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per 

Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price $914.40 $762.00 17% off

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per 

Fuel Injector Clinic 1200cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
Fuel Injector Clinic 1200cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 1200cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price from $1,077.00 Up to 17% off

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Fuel Injector Clinic 1440cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 1440cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price $1,764.00 $1,470.00 17% off

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per 

Fuel Injector Clinic 1650cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
Fuel Injector Clinic 1650cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 1650cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price $1,947.60 $1,623.00 17% off

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Fuel Injector Clinic 2150cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
Fuel Injector Clinic 2150cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 2150cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price from $1,623.00 Up to 17% off

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Fuel Injector Clinic 3000cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 3000cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025

Fuel Injector Clinic

Regular price $3,456.00 $2,880.00 17% off

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Fuel Injector Clinic 445cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
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Fuel Injector Clinic 445cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price $750.00 $625.00 17% off

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Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic
5.0 (1)

Regular price $718.80 $599.00 17% off

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Fuel Injector Clinic 650cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 650cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price $819.60 $683.00 17% off

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Fuel Injector Clinic 775cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 775cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic
5.0 (2)

Regular price $864.00 $720.00 17% off

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per 

Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025
Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025

Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025

Grams Performance

Regular price from $149.99 Up to 5% off

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Injector Dynamics Injectors: Dodge Neon SRT4 2003 - 2005
Injector Dynamics Injectors: Dodge Neon SRT4 2003 - 2005
usa

Injector Dynamics Injectors: Dodge Neon SRT4 2003 - 2005

injector dynamics

$600.60

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ProCharger Fuel Pump Kit: Challenger / Charger / 300 5.7L Hemi & 6.4L 392 2011 - 2024
ProCharger Fuel Pump Kit: Challenger / Charger / 300 5.7L Hemi & 6.4L 392 2011 - 2024
usa

Procharger Fuel Pump Kit: Challenger / Charger / 300 5.7L Hemi & 6.4L 392 2011 - 2023

ProCharger
5.0 (1)

Regular price $605.21 $523.79 13% off

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per 

Optimize Your Hemi Engine with Precision Fuel Upgrades

Fuel delivery is critical for maximizing the performance and reliability of your Hemi-powered Chrysler, Dodge, Ram, or Jeep. Whether you drive a 5.7L, 6.4L, or 6.2L Hellcat, upgrading your fuel system components ensures your engine receives consistent, efficient fuel flow under all conditions.

What are the benefits of upgrading fuel system components on your Hemi?

Upgrading fuel pumps, injectors, and regulators improves throttle response and power output by maintaining optimal fuel pressure and delivery. Enhanced fuel flow supports both naturally aspirated and boosted engines, reducing the risk of lean conditions under heavy load or high RPMs.

  • High-flow fuel pumps provide sustained fuel delivery for demanding applications
  • Precision injectors ensure accurate spray patterns for better combustion
  • Adjustable fuel pressure regulators allow fine-tuning for different setups
  • Durable fuel lines and fittings improve system reliability and safety

How do I choose the right fuel upgrades for my Hemi engine?

Selecting the right fuel system parts depends on your engine size, power goals, and whether your setup is naturally aspirated or boosted. Consider flow rates that match your engine’s demand, compatibility with your vehicle’s fuel system, and the ability to adjust fuel pressure for tuning flexibility.

Supporting modifications and next steps after installing fuel upgrades

After upgrading your fuel system, it’s important to ensure your engine management and ignition components are properly tuned to take full advantage of improved fuel delivery. Regular maintenance of fuel filters and lines will help maintain system performance. Shop the Hemi Fuel Upgrades collection at FastHemis to find the right parts that fit your build and keep your engine running strong.

SELECT YOUR VEHICLE