Shop 6.4L Hemi
3D MAXpider ACE Kagu Front Floormats (Black): Dodge Durango (13-25) / Jeep Grand Cherokee (14-21)
3D MAXpider
Regular price
$131.94
$124.99
5% off
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Amerihood DEMON Functional Ram Air Hood: Dodge Charger 2015 - 2023
Amerihood
Regular price
$550.00
$496.00
10% off
- Unit price
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Ram Clutches Concept 10.5 Twin Disc Clutch Kit (Metallic Disc): 2011 Dodge Challenger 5.7L Hemi & 6.4L 392
RAM Clutches
Regular price
$1,738.80
$1,449.00
17% off
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Anderson Composites SA Carbon Fiber Grille: Dodge Challenger 2015 - 2023 (All Models)
Anderson Composites
Regular price
$1,599.00
$1,439.10
10% off
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BMR Rear Upper Trailing Arms (Non-Adjustable, Red): 300 / Challenger / Charger / Magnum 2005 - 2024
BMR Suspension
$169.95
- Unit price
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BMR Sway Bars Kit (38/25mm, Red): 300 / Challenger / Charger / Magnum 2005 - 2024
BMR Suspension
$689.95
- Unit price
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BMR Sway Bars Kit (35/22mm, Black): 300 / Challenger / Charger / Magnum 2005 - 2024
BMR Suspension
$469.95
- Unit price
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BMR Rear Suspension Kit for 15" Conversion Kit: 300 / Challenger / Charger / Magnum 2005 - 2024
BMR Suspension
$599.95
- Unit price
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BMR Aluminum Diff Mount Bushing Kit Black Anodized (REAR): Fits Chrysler 300 / Challenger / Charger 2015-2024
BMR Suspension
$259.95
- Unit price
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Borla S-Type Cat-Back Exhaust System (Black Tip): Ram 6.4L 392 2019 - 2025 (2500 & 3500)
Borla
Regular price
$1,229.99
$1,097.99
11% off
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Borla S-Type Cat-Back Exhaust System (Polished Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
Borla
Regular price
$2,385.99
$2,129.99
11% off
- Unit price
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Borla ATAK Cat-Back Exhaust System (Reuses OEM Tips): Dodge Challenger 6.4L 392 2015 - 2023
Borla
Regular price
$2,239.99
$1,999.99
11% off
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aFe Carbon Fiber Cold Air Intake w/ Pro 5R Filter: Dodge Challenger / Charger / Chrysler 300 6.4L (11-24)
aFe
$796.00
- Unit price
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Whipple Supercharger Kit (Gen 6, 3.0L): Jeep Rubicon 6.4L 392 2021 - 2025
Whipple Superchargers
Regular price from $8,499.99 17% off
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Amerihood STM Functional Ram Air Hood: Jeep Wrangler JL 2018 - 2024
Amerihood
Regular price
$450.00
$394.00
12% off
- Unit price
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Whipple Supercharger Kit: Dodge Challenger 6.4L 392 2018 - 2023 (SRT, Scat Pack & T/A)
Whipple Superchargers
Regular price from $8,999.99 14% off
- Unit price
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EBC GD D&S Front Brake Rotors: Fits Chrysler 300 / Dodge Challenger / Charger / Magnum (06-24)
EBC
Regular price
$513.65
$487.97
5% off
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Amerihood SRT Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023
Amerihood
Regular price
$900.00
$696.00
23% off
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Amerihood VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018
Amerihood
Regular price
$900.00
$696.00
23% off
- Unit price
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MBRP Exhaust System (Aluminzed Steel): Dodge Durango 6.4L SRT & 6.2L SRT Hellcat 2018 - 2023
MBRP
Regular price
$1,272.34
$1,029.99
19% off
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GT Styling Smoke Rear Center Panel & Tail Light Covers (SET): Dodge Challenger 2015 - 2023
GT Styling
Regular price
$239.80
$155.87
35% off
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GT Styling Smoke Headlight Covers: Dodge Charger 2011 - 2014
GT Styling
Regular price
$125.07
$81.30
35% off
- Unit price
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American Brother Designs HELLCAT Cutout Exterior Side Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs
Regular price
$85.50
$52.50
39% off
- Unit price
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Ram Clutches Clutch Pedal Height Adjuster Kit: Dodge Challenger 2008 - 2023 (Fits ALL Manual Transmission Models)
RAM Clutches
Regular price
$298.00
$198.00
34% off
- Unit price
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E3 Spark Plugs: 6.2L Hellcat / Demon / Trackhawk 2015 - 2022
E3
Regular price
$12.00
$8.49
29% off
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Anderson Composites SRT Carbon Fiber Rear Spoiler: Dodge Charger 2015 - 2023 (All Models)
Anderson Composites
Regular price
$1,099.00
$989.10
10% off
- Unit price
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Eibach Sway Bars (Front & Rear): 300 / Challenger / Charger RWD 2015 - 2023 (Includes Scat Pack & Hellcat)
Eibach
Regular price
$631.11
$568.00
10% off
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Sto N Sho Quick Release Front License Plate Bracket: Dodge Durango SRT 2018 - 2023 (w/OUT Adaptive Cruise)
StoNSho
Regular price
$109.99
$97.99
11% off
- Unit price
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Sto N Sho Quick Release Front License Plate Bracket: Dodge Charger SRT / Hellcat / ScatPack / R/T Plus 2015 - 2023 (Lower Mount)
StoNSho
Regular price
$109.99
$97.99
11% off
- Unit price
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APR Carbon Fiber Front Wind Splitter w/ Rods: Dodge Challenger Demon / Hellcat / ScatPack Widebody ONLY 2018 - 2023
APR
Regular price
$653.00
$555.05
15% off
- Unit price
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American Car Craft Polished Engine Harness Cover: Chrysler / Dodge / Jeep 6.4L 392 Hemi 2011 - 2023
American Car Craft
Regular price
$178.95
$166.95
7% off
- Unit price
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Ram Clutches Billet Aluminum Flywheel: Dodge Challenger 2008 - 2023 (Fits ALL Hemi models, Including Hellcat)
RAM Clutches
Regular price
$669.00
$469.00
30% off
- Unit price
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RAM Clutches Concept 10.5 Twin Disc Clutch Kit (Metallic): Dodge Challenger (08-23)
RAM Clutches
Regular price
$1,739.00
$1,449.00
17% off
- Unit price
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American Brother Designs SCATPACK Side Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs
Regular price
$62.50
$49.50
21% off
- Unit price
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American Brother Designs SRT Front Grille Badge (2-Color w/OUT Head): Dodge Challenger 2015 - 2023
American Brother Designs
Regular price
$120.99
$87.00
28% off
- Unit price
- /per
Borla ATAK Cat-Back Exhaust: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
Borla
Regular price
$2,239.99
$1,999.99
11% off
- Unit price
- /per
Procharger Supercharger Kit: Dodge Ram 6.4L Hemi 2014 - 2018 (2500/3500)
ProCharger
Regular price
$10,649.36
$7,499.00
30% off
- Unit price
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DiabloSport Predator 2 Tuner: Dodge Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)
Diablo Sport
Regular price
$532.95
$369.00
31% off
- 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.