Chrysler 300 Fuel Upgrades
Optimize your Chrysler 300’s fuel delivery with our selection of premium fuel upgrades built for your model. Whether you’re enhancing a 5.7L Hemi or other engine variants, these parts ensure consistent fuel flow and improved throttle response under all driving conditions.
In this collection, you’ll find fuel pumps, injectors, regulators, and supporting components designed to match your Chrysler 300’s specific platform and performance goals. These upgrades help maintain reliable fuel pressure and support increased power demands, especially when combined with other performance modifications.
- High-flow fuel pumps and injectors
- Adjustable fuel pressure regulators
- Fuel lines and fittings for secure delivery
- Compatible with stock and aftermarket setups
Shop fuel upgrades for your Chrysler 300 at FastHemis.
Aeromotive High Flow Fuel Rails: Chrysler / Dodge / Ram / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392
Aeromotive
$380.35
- Unit price
- /per
BBK Performance High Flow Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392
BBK
Regular price
$319.99
$269.99
16% off
- Unit price
- /per
Deatschwerks 1200cc Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2024 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$1,049.00
- Unit price
- /per
Deatschwerks 1250cc Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$1,049.00
- Unit price
- /per
Deatschwerks 1500cc Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2024 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$1,589.00
- Unit price
- /per
DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$439.00
- Unit price
- /per
Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2024 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$699.00
- Unit price
- /per
Deatschwerks 72lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2024 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$719.00
- Unit price
- /per
Deatschwerks 95lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2024 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$719.00
- Unit price
- /per
DeatschWerks DW400 Drop-In Fuel Pump Module: 300, Challenger, Charger, Magnum 2005 - 2021 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$529.00
- Unit price
- /per
DeatschWerks Matched 550cc USCAR EV14 Fuel Injectors: Fits Hemi 5.7/6.1/6.4L
Deatschwerks
$649.00
- Unit price
- /per
DeatschWerks Performance Fuel Filter Module: 300, Challenger, Charger, Magnum 2005 - 2021 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$199.00
- Unit price
- /per
DeatschWerks Stainless Braided Return Plumbing Kit w/ Regulator & Filter: Fits X2 Series Pump Module
Deatschwerks
$749.00
- Unit price
- /per
DeatschWerks X2 Series Fuel Pump Module Dual DW400 & PTFE Plumbing Kit (F&R): Fits Challenger / Charger / Magnum / 300 2006-2024 5.7/6.1/6.4L
Deatschwerks
$1,749.00
- Unit price
- /per
DeatschWerks X2 Series Fuel Pump Module Dual DW400 (681lph) (F&R): Fits Challenger / Charger / Magnum / 300 2006-2021 5.7/6.1/6.4L
Deatschwerks
$999.00
- Unit price
- /per
Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023
Fuel Injector Clinic
Regular price
$914.40
$762.00
17% off
- Unit price
- /per
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Enhance Your Chrysler 300’s Performance with Precision Fuel Upgrades
Reliable fuel delivery is critical to unlocking the full potential of your Chrysler 300, whether equipped with the 5.7L Hemi or other engine variants. Our collection of fuel upgrades is designed to provide consistent fuel flow and improved throttle response, ensuring your engine performs smoothly under all driving conditions.
What are the benefits of upgrading your Chrysler 300 fuel system?
Upgrading your fuel system components helps maintain steady fuel pressure and supports increased power demands, especially when combined with other performance modifications. Enhanced fuel pumps and injectors improve throttle response and reduce the risk of fuel starvation during aggressive driving or towing.
- Improved fuel flow for consistent engine performance
- Better throttle response and drivability
- Supports higher horsepower and torque levels
- Increased reliability under demanding conditions
How to choose the right fuel upgrades for your Chrysler 300?
Selecting the proper fuel components depends on your engine model, power goals, and whether you’re running stock or aftermarket setups. High-flow fuel pumps and injectors should match your specific platform to ensure compatibility and optimal performance. Adjustable fuel pressure regulators allow fine-tuning of fuel delivery to suit your build.
Supporting fuel system components and why they matter
Beyond pumps and injectors, upgrading fuel lines, fittings, and regulators ensures secure and efficient fuel delivery. These supporting parts prevent leaks and pressure drops, which can compromise engine performance. Explore our Chrysler 300 fuel upgrades at FastHemis to find the right components tailored to your vehicle and build needs.