Shop 6.4L Hemi
Pedders Adjustable 35mm Front Sway Bar: Fits Most Chrysler/Dodge (05-17)
Pedders
Regular price
$329.95
$296.96
Sale
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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
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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
Sale
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NOS Single Fogger Wet Nitrous Kit (Black Bottle): Chrysler / Dodge / Jeep / Ram V6 & V8 2005 - 2023
NOS
Regular price
$1,037.95
$949.95
Sale
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MagnaFlow High Flow Catalytic Converter: Fits Most Chrysler/Dodge 6.4L/6.1L (05-15)
Magnaflow
$829.00
- Unit price
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American Brother Designs DEMON Cutout Exterior Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs
Regular price
$137.00
$59.50
Sale
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Comp Cams Stage 2 HRT 222/230 Max Power Hydraulic CAM KIT: 5.7L Hemi / 6.4L 392 2009 - 2023 (VVT)
COMP Cams
$1,298.95
- Unit price
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SPC Adjustable Front Camber / Alignment Kit: Dodge Challenger RWD (09-23)
SPC Performance
$269.95
- Unit price
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American Car Craft 5.7L Hemi Engine Shroud Dress Up Kit: Dodge Charger 2011 - 2023
American Car Craft
Regular price
$161.20
$145.08
Sale
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GT Styling Smoke Headlight Covers: Chrysler 300 2011 - 2014
GT Styling
Regular price
$123.93
$80.55
Sale
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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Jeep Grand Cherokee 2015 (5.7L Hemi & 6.4L SRT)
Diablo Sport
Regular price
$2,306.95
$1,933.95
Sale
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Amerihood T/A Style Functional Ram Air Hood: Dodge Challenger 2008 - 2023
Amerihood
Regular price
$736.74
$572.92
Sale
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American Car Craft "392" Polished Fuel Rail Covers (CARBON FIBER): 300 / Challenger / Charger / Durango 6.4L 392 2011 - 2025
American Car Craft
Regular price from $319.23 Sale
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American Car Craft Perforated Plenum Cover: Chrysler / Dodge / Jeep (6.4L 392 / SRT / SRT8) 2011 - 2025
American Car Craft
Regular price
$311.70
$280.53
Sale
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Gates Racing Micro-V Serpentine Belt: 300 / Challenger / Charger / Magnum 5.7L Hemi 2005 - 2011
Gates
$36.76
- Unit price
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CFR Performance Polished Coil Covers Kit: Fits All 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat
CFR Performance
$91.47
- Unit price
- /per
CFR Performance Hellcat Conversion Valve Covers: Fits All 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat
CFR Performance
$434.31
- Unit price
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CFR Performance Hellcat Supercharger Pulley Hub Kit: Fits All 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat
CFR Performance
$139.95
- Unit price
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Edelbrock Intake Manifold Bolt Kit: Fits Chrysler / Dodge Gen III HEMI 5.7L / 6.1L (03-15)
Edelbrock
$25.95
- Unit price
- /per
PPE Transmission Fluid Thermal Bypass Valve Billet Aluminum: Ram 2500 / 3500 2019-2024 6.4L / 6.7L Diesel
PPE
$79.99
- Unit price
- /per
PPE Transmission Fluid Bypass Valve (Billet Aluminum): Fits Dodge/Jeep/Ram 2005-2019
PPE
$79.99
- Unit price
- /per
APS Polished Stainless Upper Billet Grille: Ram 2500 / 3500 2013 - 2018
APS
Regular price
$179.72
$143.78
Sale
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Spec D Passenger Mirror w/ Turn Signal Light & Puddle Light (Manual-Fold, Black): Ram 2500 / 3500 (19-26) - Black
Spec D
Regular price
$220.00
$163.00
Sale
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DeatschWerks DW400 (x2) Dual Fuel Pumps w/ Return Line Kit: 300, Challenger, Charger, Magnum 2005 - 2021 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$1,749.00
- Unit price
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DeatschWerks Performance Fuel Filter Module: Fits Most Chrysler/Dodge (05-21)
Deatschwerks
$199.00
- Unit price
- /per
American Brother Designs Tall AC Port Fill Cap: Dodge Challenger / Charger 2015 - 2023
American Brother Designs
Regular price
$99.00
$49.00
Sale
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WeatherTech Cargo Liner (Black): Chrysler 300 / 300C 2005 - 2010 (Excluding SRT8 Models)
WeatherTech
$126.95
- Unit price
- /per
American Brother Designs CHALLENGER SCRIPT Acrylic Front Grille Badge: Dodge Challenger 2015 - 2023
American Brother Designs
Regular price
$114.00
$64.00
Sale
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American Brother Designs Under Hood Cup Holder Fill: Dodge Challenger / Charger 2006 - 2023
American Brother Designs
Regular price
$132.00
$82.00
Sale
- Unit price
- /per
American Brother Designs Coolant Reservoir Cap Cover: Dodge Durango / Jeep Grand Cherokee / Grand Wagoneer / Wagoneer 2011 - 2026
American Brother Designs
Regular price
$109.00
$59.00
Sale
- Unit price
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Eibach 30mm Wheel Spacers (Pair): 300 / Challenger / Charger / Magnum 2005 - 2024
Eibach
Regular price
$277.78
$250.00
Sale
- Unit price
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Eibach Front Sway Bar End Links Kit (Pair): 300 / Challenger / Charger 2011 - 2024
Eibach
Regular price
$210.00
$189.00
Sale
- Unit price
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BMR Rear Upper Trailing Arms (Non-Adjustable, Red): 300 / Challenger / Charger / Magnum 2005 - 2024
BMR Suspension
$179.95
- Unit price
- /per
BMR Rear Lowering Springs (Set of 2): Dodge Challenger 2008 - 2023 (All Models)
BMR Suspension
$189.95
- Unit price
- /per
BMR Lower Trailing Arms (Non-Adjustable, Red): 300 / Challenger / Charger / Magnum 2005 - 2024
BMR Suspension
$129.95
- Unit price
- /per
Brian Tooley Racing Stage 3 Camshaft: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Brian Tooley Racing
Regular price
$544.49
$449.99
Sale
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MBRP Muffler Bypass Pipes: 300 / Challenger / Charger 5.7L Hemi & 6.4L 392 2015 - 2024
MBRP
Regular price
$253.22
$204.99
Sale
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American Racing Headers: Chrysler 300 / Dodge Charger 6.4L 392 2015 - 2024
American Racing Headers
Regular price from $1,927.74 Sale
- Unit price
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aFe Super Stock Induction System (w/Pro 5R Filter): Dodge Challenger 2015 - 2023
aFe
$179.00
- Unit price
- /per
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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.