Shop 6.4L Hemi
S&B Cold Air Intake: Dodge Ram 6.4L 392 2014 - 2018 (2500 / 3500)
S&B Filters
Regular price
$429.99
$379.00
Sale
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2 filter types
Hawk Ceramic Brake Pads (FRONT): Challenger / Charger / Durango / Jeep Grand Cherokee 6.2L Hellcat & 6.4L 392 2012 - 2026 (w/ 6-Piston Front Calipers)
Hawk Performance
Regular price
$297.99
$268.19
Sale
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Amerihood VIP Style Functional Ram Air Hood: Dodge Charger 2015 - 2023
Amerihood
Regular price
$600.00
$534.00
Sale
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American Brother Designs HELLCAT Exterior Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs
Regular price
$153.00
$69.00
Sale
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American Car Craft "392" Polished Fuel Rail Covers (ILLUMINATED): 300 / Challenger / Charger 6.4L 392 2011 - 2024
American Car Craft
Regular price
$483.70
$435.33
Sale
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American Brother Designs SRT HELLCAT Front Grille Badge (2-Color): Dodge Challenger 2015 - 2023
American Brother Designs
Regular price
$120.99
$89.00
Sale
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ARP Main Stud Kit: Chrysler / Dodge / Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat
ARP
$199.36
- Unit price
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H&R Sport Lowering Springs: Jeep Grand Cherokee 11-21 6.4L/6.2L/5.7L/3.6L/3.0L EcoDiesel
H&R
Regular price
$699.00
$594.15
Sale
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DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Jeep 2005-2014
Diablo Sport
Regular price
$787.95
$673.95
Sale
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Amerihood SRT Functional Ram Air Hood: Ram 3500 2019 - 2026
Amerihood
Regular price
$1,098.24
$843.92
Sale
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Mantic Twin Disc Clutch Kit: Dodge Challenger 2008 - 2023 (5.7L Hemi, 6.1L SRT8, 6.4L SRT & Scat Pack, 6.2L SRT Hellcat)
Mantic Clutch
Regular price
$3,007.00
$2,753.00
Sale
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Vertical Doors: Chrysler 300 2011 - 2024 (All Models)
Vertical Doors
Regular price from $989.00 Sale
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Anderson Composites Carbon Fiber Rear Diffuser: 20-23 Charger
Anderson Composites
Regular price
$1,209.00
$1,088.10
Sale
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Sto N Sho Quick Release Front License Plate Bracket: Dodge Charger (19-23)
StoNSho
Regular price
$119.99
$99.99
Sale
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Gates Racing Micro-V Serpentine Belt: Jeep Grand Cherokee 6.4L SRT 2017 - 2021
Gates
$40.30
- Unit price
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DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005-2014 5.7L Hemi / 4.0L I6
Diablo Sport
Regular price
$535.95
$499.95
Sale
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aFe Magnum FLOW Pro 5R Air Filter: Dodge Durango / Jeep Grand Cherokee / Grand Cherokee WK 3.0L / 3.6L / 5.7L / 6.4L 2011 - 2026
aFe
from $71.00
- Unit price
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2 filter types
Nitrous Express Hemi Plate Nitrous Kit: Chrysler / Dodge / Jeep 5.7L Hemi, 6.1L SRT8 & 6.4L 392 2005 - 2023
Nitrous Express
$1,101.47
- Unit price
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AEM DryFlow Air Filter: Dodge Durango / Jeep Grand Cherokee 5.7L Hemi & 6.4L 392 2011 - 2023
AEM
$62.99
- Unit price
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Sto N Sho Quick Release Front License Plate Bracket: Dodge Challenger Hellcat / Demon / ScatPack Widebody 2015 - 2023 (Upper Mount)
StoNSho
Regular price
$119.99
$99.99
Sale
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Mishimoto Aluminum Expansion Tank Micro-Wrinkle Black: Chrysler/Dodge 2011-2023 3.6L/5.7L
Mishimoto
Regular price
$445.00
$404.95
Sale
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GT Styling Smoke Headlight Covers: Dodge Challenger 2015 - 2023
GT Styling
Regular price
$122.69
$79.75
Sale
- Unit price
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GT Styling Smoke Headlight Covers: Dodge Charger 2015 - 2023
GT Styling
Regular price
$137.70
$89.50
Sale
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Pedders Adjustable 22mm Rear Sway Bar: Fits Most Chrysler/Dodge (05-17)
Pedders
Regular price
$269.95
$242.96
Sale
- Unit price
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Driveshaft Shop 1-Piece 4" Aluminum Driveshaft: Dodge Challenger 5.7L Hemi / 6.4L 392 / 6.2L SRT Hellcat w/ Manual Transmission 2015 - 2023
Driveshaft Shop
$1,274.98
- Unit price
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K Sport Kontrol Pro Damper Coilovers: Dodge Challenger 2011 - 2023 (RWD)
KSport
Regular price
$1,312.50
$1,115.62
Sale
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Kooks 1-7/8" x 3" Longtube Headers & OEM Catted Mid Pipes: Fits Most Chrysler/Dodge 6.4L/6.1L (05-23)
Kooks Headers
Regular price from $2,780.03 Sale
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Deatschwerks 50lb/hr Fuel Injectors: Chrysler 300C / Dodge Challenger / Charger / Magnum 2005 - 2024 (5.7L Hemi / 6.1L & 6.4L SRT8)
Deatschwerks
$649.00
- Unit price
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BBK Hemi Oil Separator / Catch Can: 300 / Challenger / Charger 6.4L 392 2011 - 2023
BBK
Regular price
$199.99
$169.99
Sale
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American Brother Designs Interior Knob Kit: Dodge Challenger 2015 - 2023
American Brother Designs
Regular price
$199.99
$194.00
Sale
- Unit price
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American Car Craft Mopar Cold Air Intake Cover (Clear / Polished): 300 / Challenger / Charger 5.7L Hemi & 6.4L 392 2011 - 2024
American Car Craft
Regular price
$134.32
$120.89
Sale
- Unit price
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American Brother Designs HEMI Exterior Badges (PAIR): Dodge Challenger 2015 - 2023
American Brother Designs
Regular price
$152.00
$137.00
Sale
- Unit price
- /per
American Brother Designs Door Sills: Dodge Challenger 2008 - 2023
American Brother Designs
Regular price
$287.99
$232.00
Sale
- Unit price
- /per
GT Styling Smoke Tail Light Covers: Chrysler 300 2011 – 2014
GT Styling
Regular price
$122.69
$79.75
Sale
- Unit price
- /per
Amerihood Hellcat Functional Ram Air Hood: Jeep Grand Cherokee 2011 - 2021
Amerihood
Regular price
$600.00
$534.00
Sale
- Unit price
- /per
Autometer Dual Pillar Gauge Pod: Dodge Challenger 08-13 6.4L/6.1L/5.7L/3.6L/3.5L
Autometer
$110.61
- Unit price
- /per
Amerihood SRT2 Functional Ram Air Hood: Dodge Charger 2011 - 2014
Amerihood
Regular price
$736.74
$572.92
Sale
- Unit price
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CFR Performance Hemi Gen 3 Straight Water Neck Thermostat Housing (Black): Fits Most Hemi Models
CFR Performance
$31.98
- Unit price
- /per
Hylift Johnson Direct Shot Oiling Hydraulic Roller Lifters: Chrysler / Dodge / Ram / Jeep (02-26)
Hylift Johnson
$984.21
- 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.