Shop 6.4L Hemi
E3 Spark Plugs: Chrysler 300 / Dodge Challenger / Charger 6.4L 392 2011 - 2023
E3
Regular price
$12.00
$8.49
Sale
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American Racing Headers: Jeep Grand Cherokee 6.4L SRT & 6.2L Trackhawk 2012 - 2021
American Racing Headers
Regular price from $1,980.73 Sale
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American Racing Headers: Ram 5.7L Hemi / 6.4L 392 2500 2014 - 2025
American Racing Headers
Regular price from $2,245.72 Sale
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aFe Momentum GT Cold Air Intake: Dodge Durango / Jeep Grand Cherokee (6.4L 392 / SRT8 / SRT) 2012 - 2026
aFe
from $451.00
- Unit price
- /per
2 filter types
American Brother Designs Radiator Cap Cover: Chrysler / Dodge / Jeep / Ram 2001 - 2026 (Inc. Classic)
American Brother Designs
Regular price
$109.00
$59.00
Sale
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Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023
Fuel Injector Clinic
Regular price
$718.80
$599.00
Sale
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American Brother Designs PCV Cover: Chrysler / Dodge / Jeep / Ram 3.6L / 5.7L / 6.2L / 6.4L 2011 - 2026
American Brother Designs
Regular price
$154.50
$108.00
Sale
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Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023
Fuel Injector Clinic
Regular price
$914.40
$762.00
Sale
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American Brother Designs Strut Tower Covers (Fits Mopar Brace): Chrysler 300 / Dodge Challenger / Charger / Magnum 2005 - 2024
American Brother Designs
Regular price
$242.50
$189.00
Sale
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American Brother Designs Engine Bay Tag: Dodge Challenger / Charger / Durango / Viper 2006 - 2026
American Brother Designs
Regular price
$76.00
$56.00
Sale
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Eibach Sportline Lowering Springs: Fits Most Chrysler/Dodge 6.4L/5.7L/3.6L (11-24) (Exc. AWD, SRT, Scat Pack & Hellcat)
Eibach
Regular price
$438.89
$395.00
Sale
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Amerihood Hellcat Functional Ram Air Hood: Chrysler 300 2011 - 2024
Amerihood
Regular price
$600.00
$534.00
Sale
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Mishimoto Aluminum Radiator: 300 / Challenger / Charger / Magnum 6.1L & 6.4L SRT8 / SRT / Scat Pack 2006 - 2023
Mishimoto
Regular price
$909.00
$825.95
Sale
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Ripp Magnetic Engine Oil Drain Plug: Fits Most Chrysler / Dodge / Jeep / Ram V6 & V8 Models (2003-2024)
Ripp
Regular price
$28.69
$24.95
Sale
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K&N Catch Can; Oil Separator: Fits Most Chrysler/Dodge/Jeep 6.4L (11-24) w/ 6.4L HEMI
K&N Engineering
$157.99
- Unit price
- /per
NGK Laser Platinum Spark Plugs OEM Heat Range: Fits Chrysler/Dodge/Jeep 6.4L 2011-2026 (Set of 4)
NGK
Regular price
$101.12
$50.56
Sale
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Superior Automotive Hemi Valve Spring Tool: Chrysler, Dodge & Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat 2003 - 2023
Superior Automotive Engineering
Regular price
$299.99
$195.00
Sale
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American Brother Designs ANGRY BEE Exterior Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs
Regular price
$172.00
$50.00
Sale
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AirAid Throttle Body Spacer: Chrysler / Dodge / Jeep (5.7L Hemi, 6.1L SRT8, 6.4L 392 / SRT) 2005 - 2026
AirAid
$157.99
- Unit price
- /per
Kooks Stage 8 Header Bolt Kit: Fits Most Chrysler/Dodge/Jeep/Ram (05-20)
Kooks Headers
Regular price
$78.07
$70.27
Sale
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American Brother Designs Coil Pack Covers (Set of 2): 300 / Challenger / Charger 5.7L Hemi & 6.4L 392 2011 - 2024
American Brother Designs
Regular price
$325.00
$275.00
Sale
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ARP Flywheel Bolt Kit: Dodge Challenger V8 2008 - 2023 (5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat)
ARP
$52.28
- Unit price
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American Racing Headers: Jeep Grand Cherokee 6.4L SRT & 6.2L Trackhawk 2012 - 2021
American Racing Headers
Regular price from $1,980.73 Sale
- Unit price
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American Brother Designs Baffle Cover: Chrysler / Dodge / Jeep / Ram (6.4L 392 / SRT / SRT8) 2011 - 2026
American Brother Designs
Regular price
$175.50
$99.00
Sale
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SPC Adjustable Rear Camber Kit: Chrysler 300 / Dodge Charger / Magnum AWD 2005 - 2023
SPC Performance
$69.69
- Unit price
- /per
American Brother Designs Aluminum Hood Prop: Chrysler 300 / Dodge Challenger / Charger / Magnum 2005 - 2024
American Brother Designs
Regular price
$139.00
$89.00
Sale
- Unit price
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American Brother Designs Coolant Reservoir Cap Cover: Chrysler / Dodge / Jeep 2001 - 2019
American Brother Designs
Regular price
$109.00
$59.00
Sale
- Unit price
- /per
BMR Rear Upper Control Arms (On-Car Adjustable, Red): 300 / Challenger / Charger / Magnum 2005 - 2024
BMR Suspension
$329.95
- Unit price
- /per
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2019 - 2022
Amerihood
Regular price
$900.00
$696.00
Sale
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Koni STR.T Rear Shocks: Fits Most Chrysler/Dodge 6.4L/6.2L/5.7L/3.6L (11-23) (Exc. AWD & SRT)
KONI
Regular price
$183.55
$112.98
Sale
- Unit price
- /per
American Brother Designs Strut Tower Covers: Chrysler 300 / Dodge Challenger / Charger / Magnum 2005 - 2024
American Brother Designs
Regular price
$242.50
$189.00
Sale
- Unit price
- /per
SPC Performance Adjustable Rear Camber Kit (REAR): Dodge Challenger (08-23)
SPC Performance
$69.69
- Unit price
- /per
American Brother Designs 392 Exterior Side Badge: Chrysler / Dodge / Jeep / Ram (6.4L 392 / SRT8 / SRT) 2011 - 2026
American Brother Designs
Regular price
$180.00
$167.00
Sale
- Unit price
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Ripp Hi-Perf Coil Packs: Fits Dodge / Chrysler / Jeep V8 (02-26)
Ripp
Regular price from $489.46 Sale
- Unit price
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6 colors
- +1 more
Koni STR.T Front Shocks: Fits Most Chrysler/Dodge 6.4L/6.2L/5.7L/3.6L (11-23) (Exc. AWD & SRT8)
KONI
Regular price
$232.97
$143.40
Sale
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- /per
Bilstein B6 Monotube Rear Shocks: Fits Most Chrysler/Dodge 6.4L/6.2L/5.7L/3.6L (11-23)
Bilstein
Regular price
$222.00
$149.00
Sale
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Granatelli 95mm Throttle Body (Black): Fits Most Chrysler/Dodge/Jeep/Ram 6.4L/6.1L/5.7L (05-26)
Granatelli Motor Sports
Regular price
$716.63
$680.79
Sale
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DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2026 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$439.00
- Unit price
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American Brother Designs Hellcat Supercharger Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs
Regular price
$91.00
$41.00
Sale
- Unit price
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Performance Upgrades for Your 6.4L 392 Hemi
The 6.4L 392 Hemi is a naturally aspirated powerhouse known for its strong forged internals and high-flow cylinder heads. Delivering robust power and torque from the factory, it provides an excellent platform for enthusiasts aiming to enhance performance while maintaining reliability. At FastHemis, you’ll find parts designed specifically to unlock the full potential of this Mopar favorite.
Why upgrade performance parts on your 6.4L Hemi?
Upgrading your 6.4L Hemi’s components can significantly improve power delivery, throttle response, and overall engine efficiency. Whether you want to increase airflow with cold air intakes or extract more power through long tube headers and exhaust systems, these bolt-on upgrades complement the engine’s strong factory foundation. Enhancements also help tailor your build to specific driving styles and performance goals.
- Improved air and exhaust flow for better combustion
- Enhanced throttle response and engine sound
- Supports future forced induction or camshaft upgrades
- Maintains the engine’s legendary durability and reliability
Popular upgrade paths for the 6.4L 392 Hemi
The 6.4L Hemi responds well to a variety of performance modifications that suit naturally aspirated and boosted builds alike. Common upgrades include supercharger and procharger kits for substantial power gains, long tube headers to reduce exhaust backpressure, and cold air intakes to increase airflow. Tuners and performance calibration tools are also essential to optimize these modifications and ensure smooth operation.
Choosing the right 6.4L Hemi parts at FastHemis
FastHemis offers a comprehensive selection of performance parts tailored to the 6.4L 392 Hemi. Whether you’re starting with bolt-ons or planning a full build, our inventory supports every stage of your project. Browse our collection to find supercharger kits, exhaust upgrades, intake systems, and tuning tools designed to maximize your engine’s capability while preserving its durability.