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Shop 6.4L Hemi

Unlock the full potential of your 6.4L Hemi, a naturally aspirated powerhouse known for its robust forged internals and strong factory performance. This 392 cubic inch V8 delivers impressive power and torque right out of the box, making it an ideal platform for enthusiasts looking to build reliable, high-performance Mopar machines. At FastHemis, you’ll find a wide range of parts tailored specifically for the 6.4L Hemi. Whether you’re aiming to boost power with supercharger kits, improve exhaust flow with long tube headers, or enhance throttle response with cold air intakes, our selection supports every stage of your build. These upgrades help maximize your engine’s capability while maintaining its legendary durability. Popular 6.4L Hemi upgrades include: - Supercharger and forced induction kits - High-flow exhaust systems and headers - Cold air intakes and throttle body upgrades - Tuners and performance calibration tools Shop 6.4L Hemi upgrades at FastHemis.
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6020 Results

3D MAXpider ACE Kagu Front Floormats (Black): Dodge Durango (13-25) / Jeep Grand Cherokee (14-21)
3D MAXpider ACE Kagu Front Floormats (Black): Dodge Durango (13-25) / Jeep Grand Cherokee (14-21)

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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per 

Amerihood DEMON Functional Ram Air Hood: Dodge Charger 2015 - 2023
Amerihood DEMON Functional Ram Air Hood: Dodge Charger 2015 - 2023

Amerihood DEMON Functional Ram Air Hood: Dodge Charger 2015 - 2023

Amerihood

Regular price $550.00 $496.00 10% off

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per 

Ram Clutches Concept 10.5 Twin Disc Clutch Kit (Metallic Disc): 2011 Dodge Challenger 5.7L Hemi & 6.4L 392
Ram Clutches Concept 10.5 Twin Disc Clutch Kit (Metallic Disc): 2011 Dodge Challenger 5.7L Hemi & 6.4L 392
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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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per 

Anderson Composites SA Carbon Fiber Grille: Dodge Challenger 2015 - 2023 (All Models)
Anderson Composites SA Carbon Fiber Grille: Dodge Challenger 2015 - 2023 (All Models)

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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per 

Borla S-Type Cat-Back Exhaust System (Black Tip): Ram 6.4L 392 2019 - 2025 (2500 & 3500)
Borla S-Type Cat-Back Exhaust System (Black Tip): Ram 6.4L 392 2019 - 2025 (2500 & 3500)
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Borla S-Type Cat-Back Exhaust System (Black Tip): Ram 6.4L 392 2019 - 2025 (2500 & 3500)

Borla
5.0 (1)

Regular price $1,229.99 $1,097.99 11% off

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per 

Borla S-Type Cat-Back Exhaust System (Polished Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
Borla S-Type Cat-Back Exhaust System (Polished Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
usa

Borla S-Type Cat-Back Exhaust System (Polished Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021

Borla
5.0 (1)

Regular price $2,385.99 $2,129.99 11% off

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Borla ATAK Cat-Back Exhaust System (Reuses OEM Tips): Dodge Challenger 6.4L 392 2015 - 2023
Borla ATAK Cat-Back Exhaust System (Reuses OEM Tips): Dodge Challenger 6.4L 392 2015 - 2023
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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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per 

Whipple Supercharger Kit (Gen 6, 3.0L): Jeep Rubicon 6.4L 392 2021 - 2025
Whipple Supercharger Kit (Gen 6, 3.0L): Jeep Rubicon 6.4L 392 2021 - 2025
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Whipple Supercharger Kit (Gen 6, 3.0L): Jeep Rubicon 6.4L 392 2021 - 2025

Whipple Superchargers
5.0 (1)

Regular price from $8,499.99 17% off

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per 

Amerihood STM Functional Ram Air Hood: Jeep Wrangler JL 2018 - 2024
Amerihood STM Functional Ram Air Hood: Jeep Wrangler JL 2018 - 2024

Amerihood STM Functional Ram Air Hood: Jeep Wrangler JL 2018 - 2024

Amerihood

Regular price $450.00 $394.00 12% off

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Whipple Supercharger Kit: Dodge Challenger 6.4L 392 2018 - 2023 (SRT, Scat Pack & T/A)
Whipple Supercharger Kit: Dodge Challenger 6.4L 392 2018 - 2023 (SRT, Scat Pack & T/A)
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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

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EBC GD Drilled & Slotted Front Brake Rotors: 300 / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2024
Amerihood SRT Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023
Amerihood SRT Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023

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 VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018

Amerihood VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018

Amerihood

Regular price $900.00 $696.00 23% off

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MBRP Exhaust System (Aluminzed Steel): Dodge Durango 6.4L SRT & 6.2L SRT Hellcat 2018 - 2023
MBRP Exhaust System (Aluminzed Steel): Dodge Durango 6.4L SRT & 6.2L SRT Hellcat 2018 - 2023

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 Smoke Rear Center Panel & Tail Light Covers (SET): Dodge Challenger 2015 - 2023
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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 Smoke Headlight Covers: Dodge Charger 2011 - 2014
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GT Styling Smoke Headlight Covers: Dodge Charger 2011 - 2014

GT Styling

Regular price $125.07 $81.30 35% off

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American Brother Designs HELLCAT Cutout Exterior Side Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs HELLCAT Cutout Exterior Side Badge: Dodge Challenger / Charger 2015 - 2023
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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

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per 

Ram Clutches Clutch Pedal Height Adjuster Kit: Dodge Challenger 2008 - 2023 (Fits ALL Manual Transmission Models)
Ram Clutches Clutch Pedal Height Adjuster Kit: Dodge Challenger 2008 - 2023 (Fits ALL Manual Transmission Models)
usa
E3 Spark Plugs: 6.2L Hellcat / Demon / Trackhawk 2015 - 2022
E3 Spark Plugs: 6.2L Hellcat / Demon / Trackhawk 2015 - 2022

E3 Spark Plugs: 6.2L Hellcat / Demon / Trackhawk 2015 - 2022

E3

Regular price $12.00 $8.49 29% off

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per 

Anderson Composites SRT Carbon Fiber Rear Spoiler: Dodge Charger 2015 - 2023 (All Models)
Anderson Composites SRT Carbon Fiber Rear Spoiler: Dodge Charger 2015 - 2023 (All Models)

Anderson Composites SRT Carbon Fiber Rear Spoiler: Dodge Charger 2015 - 2023 (All Models)

Anderson Composites

Regular price $1,099.00 $989.10 10% off

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H&R 25mm Wheel Spacers: Chrysler 300 2005 - 2024 (All Models)
H&R 25mm Wheel Spacers: Dodge Magnum 2005 - 2008 (All Models)
H&R 25mm Wheel Spacers: Dodge Magnum 2005 - 2008 (All Models)
Eibach Sway Bars (Front & Rear): 300 / Challenger / Charger RWD 2015 - 2024 (Includes Scat Pack & Hellcat)
Eibach Sway Bars (Front & Rear): 300 / Challenger / Charger RWD 2015 - 2024 (Includes Scat Pack & Hellcat)
Sto N Sho Quick Release Front License Plate Bracket: Dodge Durango SRT 2018 - 2025 (w/OUT Adaptive Cruise)
Sto N Sho Quick Release Front License Plate Bracket: Dodge Durango SRT 2018 - 2025 (w/OUT Adaptive Cruise)
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Sto N Sho Quick Release Front License Plate Bracket: Dodge Durango SRT 2018 - 2023 (w/OUT Adaptive Cruise)

StoNSho
5.0 (1)

Regular price $109.99 $97.99 11% off

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per 

American Car Craft Polished Engine Harness Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 Hemi 2011 - 2024
American Car Craft Polished Engine Harness Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 Hemi 2011 - 2024
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American Car Craft Polished Engine Harness Cover: Chrysler / Dodge / Jeep 6.4L 392 Hemi 2011 - 2023

American Car Craft
5.0 (1)

Regular price $178.95 $166.95 7% off

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per 

Ram Clutches Billet Aluminum Flywheel: Dodge Challenger 2008 - 2023 (Fits ALL Hemi models, Including Hellcat)
Ram Clutches Billet Aluminum Flywheel: Dodge Challenger 2008 - 2023 (Fits ALL Hemi models, Including Hellcat)
usa

Ram Clutches Billet Aluminum Flywheel: Dodge Challenger 2008 - 2023 (Fits ALL Hemi models, Including Hellcat)

RAM Clutches
5.0 (1)

Regular price $669.00 $469.00 30% off

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per 

Ram Clutches Concept 10.5 Twin Disc Clutch Kit: Dodge Challenger 2008 - 2023
Ram Clutches Concept 10.5 Twin Disc Clutch Kit: Dodge Challenger 2008 - 2023
usa

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

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per 

American Brother Designs SCATPACK Side Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs SCATPACK Side Badge: Dodge Challenger / Charger 2015 - 2023
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American Brother Designs SCATPACK Side Badge: Dodge Challenger / Charger 2015 - 2023

American Brother Designs
5.0 (1)

Regular price $62.50 $49.50 21% off

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per 

American Brother Designs SRT Front Grille Badge (2-Color w/OUT Head): Dodge Challenger 2015 - 2023
American Brother Designs SRT Front Grille Badge (2-Color w/OUT Head): Dodge Challenger 2015 - 2023
usa

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

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per 

Borla ATAK Cat-Back Exhaust: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
Borla ATAK Cat-Back Exhaust: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
usa

Borla ATAK Cat-Back Exhaust: Jeep Grand Cherokee 6.4L SRT 2012 - 2021

Borla
5.0 (1)

Regular price $2,239.99 $1,999.99 11% off

Unit price
per 

ProCharger Supercharger Kit: Ram 6.4L Hemi 2014 - 2018 (2500/3500)
ProCharger Supercharger Kit: Ram 6.4L Hemi 2014 - 2018 (2500/3500)
usa

Procharger Supercharger Kit: Dodge Ram 6.4L Hemi 2014 - 2018 (2500/3500)

ProCharger

Regular price $10,649.36 $7,499.00 30% off

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per 

DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)
DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)

DiabloSport Predator 2 Tuner: Dodge Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)

Diablo Sport
5.0 (2)

Regular price $532.95 $369.00 31% off

Unit price
per 

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.

SELECT YOUR VEHICLE