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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

American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
usa

American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

Cometic Rear Main Seal Set: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat
Cometic Rear Main Seal Set: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat
usa

Cometic Rear Main Seal Set: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat

Cometic Gasket
5.0 (1)

Regular price $46.62 $41.96 10% off

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American Racing Headers: Ram 5.7L Hemi / 6.4L 392 2500 2014 - 2025
American Racing Headers: Ram 5.7L Hemi / 6.4L 392 2500 2014 - 2025
usa

American Racing Headers: Ram 5.7L Hemi / 6.4L 392 2500 2014 - 2025

American Racing Headers
5.0 (1)

Regular price from $2,245.72 Up to 13% off

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per 

DiabloSport Pulsar Computer Programmer: Ram 6.4L 392 2019 - 2024 (2500 / 3500 Models)
DiabloSport Pulsar Computer Programmer: Ram 6.4L 392 2019 - 2024 (2500 / 3500 Models)

DiabloSport Pulsar Computer Programmer: Dodge Ram 6.4L 392 2019 - 2022 (2500 / 3500 Models)

Diablo Sport

Regular price $863.95 $767.95 11% off

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per 

PPE Battery Heat Shield: Ram 1500 / 2500 / 3500 (16-25)
PPE Battery Heat Shield: Ram 1500 / 2500 / 3500 (16-25)
usa
Bilstein B6 Perf Shock Absorber Monotube (REAR): 11-23 Challenger / Charger / 300 RWD
Bilstein B6 Perf Shock Absorber Monotube (REAR): 11-23 Challenger / Charger / 300 RWD

Bilstein B6 Perf Shock Absorber Monotube (REAR): 11-23 Challenger / Charger / 300 RWD

Bilstein
5.0 (1)

Regular price $222.00 $149.00 33% off

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AFE Momentum GT Cold Air Intake: Jeep Grand Cherokee 6.4L SRT 2012 - 2023
AFE Momentum GT Cold Air Intake: Jeep Grand Cherokee 6.4L SRT 2012 - 2023
usa

AFE Momentum GT Cold Air Intake: Jeep Grand Cherokee 6.4L SRT 2012 - 2023

aFe
5.0 (1)

from $451.00

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per 

2 filter types
  • Pro 5R (Oiled)
  • Pro Dry-S (Non-Oiled)
American Racing Headers: Dodge Durango 6.4L 392 & 6.2L Hellcat 2018 - 2025
American Racing Headers: Dodge Durango 6.4L 392 & 6.2L Hellcat 2018 - 2025
usa

American Racing Headers: Jeep Grand Cherokee 6.4L SRT & 6.2L Trackhawk 2012 - 2021

American Racing Headers

Regular price from $1,980.73 Up to 15% off

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Granatelli 95mm Throttle Body Black: Fits HEMI 2013-2024 5.7/6.1/6.4L
Granatelli 95mm Throttle Body Black: Fits HEMI 2013-2024 5.7/6.1/6.4L
usa

Granatelli 95mm Throttle Body Black: Fits HEMI 2013-2024 5.7/6.1/6.4L

Granatelli Motor Sports

Regular price $682.50 $648.38 5% off

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Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2019 - 2022
Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2019 - 2022

Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2019 - 2022

Amerihood
5.0 (1)

Regular price $900.00 $696.00 23% off

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per 

American Brother Designs Strut Tower Covers: 300 / Challenger / Charger / Magnum 2005 - 2024
American Brother Designs Strut Tower Covers: 300 / Challenger / Charger / Magnum 2005 - 2024
usa

American Brother Designs Strut Tower Covers: 300 / Challenger / Charger / Magnum 2005 - 2023

American Brother Designs

Regular price $242.50 $189.00 22% off

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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 (Organic): Dodge Challenger (08-23)

RAM Clutches

Regular price $1,379.00 $1,149.00 17% off

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Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood

Regular price $878.42 $694.36 21% off

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Amerihood Hellcat Functional Ram Air Hood: Dodge Charger 2011 - 2014
Amerihood Hellcat Functional Ram Air Hood: Dodge Charger 2011 - 2014

Amerihood Hellcat Functional Ram Air Hood: Dodge Charger 2011 - 2014

Amerihood

Regular price $786.02 $615.16 22% off

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American Brother Designs DODGE LOGO  Exterior Trunk Badge: Dodge Challenger 2015 - 2023
American Brother Designs DODGE LOGO  Exterior Trunk Badge: Dodge Challenger 2015 - 2023
usa

American Brother Designs DODGE LOGO Exterior Trunk Badge: Dodge Challenger 2015 - 2023

American Brother Designs
5.0 (1)

Regular price $102.00 $89.00 13% off

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per 

American Car Craft 5.7L Hemi Engine Shroud Dress Up Kit: Dodge Challenger R/T 2009 - 2023
American Car Craft 5.7L Hemi Engine Shroud Dress Up Kit: Dodge Challenger R/T 2009 - 2023
usa

American Car Craft 5.7L Hemi Engine Shroud Dress Up Kit: Dodge Challenger R/T 2009 - 2023

American Car Craft
4.5 (3)

Regular price $178.95 $166.95 7% off

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Fast Hemis One-Click Stage 1 Kit: 2006-2010 Dodge Charger 3.5L V6 (+39HP)
Fast Hemis One-Click Stage 1 Kit: 2006-2010 Dodge Charger 3.5L V6 (+39HP)

Ripp Hi-Perf Coil Packs: Fits Dodge / Chrysler / Jeep V8 (02-26)

Ripp

from $489.46

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per 

6 colors
  • HEMI Orange
  • Plum Crazy
  • Sublime Green
  • Steel Gray
  • Mopar Blue
  • +1 more
American Brother Designs Hellcat Supercharger Badge: Dodge Challenger & Charger 2015 - 2023
American Brother Designs Hellcat Supercharger Badge: Dodge Challenger & Charger 2015 - 2023
usa

American Brother Designs Hellcat Supercharger Badge: Dodge Challenger & Charger 2015 - 2023

American Brother Designs

Regular price $91.00 $41.00 55% off

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per 

Eibach Rear Sway Bar End Link Kit Adjustable: Challenger / Charger 2011-2023
Eibach Rear Sway Bar End Link Kit Adjustable: Challenger / Charger 2011-2023

Eibach Rear Sway Bar End Link Kit Adjustable: Challenger / Charger 2011-2023

Eibach

Regular price $210.00 $189.00 10% off

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per 

BMR Rear Strut Tower Brace (Red): 300 / Challenger / Charger / Magnum 2005 - 2024
usa
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2019 - 2022
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2019 - 2022

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2019 - 2022

Amerihood

Regular price $900.00 $696.00 23% off

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per 

Amerihood DEMON Functional Ram Air Hood: Dodge Durango 2011 - 2023
Amerihood DEMON Functional Ram Air Hood: Dodge Durango 2011 - 2023

Amerihood DEMON Functional Ram Air Hood: Dodge Durango 2011 - 2023

Amerihood
4.0 (1)

Regular price $600.00 $534.00 11% off

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per 

American Brother Designs SCATPACK Acrylic Badge (2-Color): Dodge Challenger / Charger 2015 - 2023
American Brother Designs SCATPACK Acrylic Badge (2-Color): Dodge Challenger / Charger 2015 - 2023
usa

American Brother Designs SCATPACK Acrylic Badge (2-Color): Dodge Challenger / Charger 2015 - 2023

American Brother Designs
5.0 (1)

Regular price $126.00 $53.50 58% off

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per 

Sto N Sho Quick Release Front License Plate Bracket: Dodge Challenger 2015 - 2023 (w/OUT Adaptive Cruise)
Sto N Sho Quick Release Front License Plate Bracket: Dodge Challenger 2015 - 2023 (w/OUT Adaptive Cruise)
usa
Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019
Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019

Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019

Amerihood

Regular price $878.42 $694.36 21% off

Unit price
per 

E3 Spark Plugs: Ram / Durango / Jeep Grand Cherokee 6.4L 392 2012 - 2025
E3 Spark Plugs: Ram / Durango / Jeep Grand Cherokee 6.4L 392 2012 - 2025

E3 Spark Plugs: Ram / Durango / Jeep Grand Cherokee 6.4L 392 2012 - 2025

E3
5.0 (1)

Regular price $12.00 $6.49 46% off

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per 

American Brother Designs SRT Under Hood Insulation Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs SRT Under Hood Insulation Badge: Dodge Challenger / Charger 2015 - 2023
usa

American Brother Designs SRT Under Hood Insulation Badge: Dodge Challenger 2015 - 2023

American Brother Designs

Regular price $71.00 $55.00 23% off

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per 

DBA Slotted Front Brake Rotors: Jeep Grand Cherokee SRT 2012 - 2021
DBA Slotted Front Brake Rotors: Jeep Grand Cherokee SRT 2012 - 2021

DBA Slotted Front Brake Rotors: Jeep Grand Cherokee SRT 2012 - 2021

DBA

Regular price $464.43 $392.98 15% off

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per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
SPC Performance Adjustable Rear Camber Kit: Chrysler 300 2005-2024
SPC Performance Adjustable Rear Camber Kit: Chrysler 300 2005-2024
usa
American Brother Designs 392 Exterior Side Badge: Chrysler / Dodge / Jeep / Ram
American Brother Designs 392 Exterior Side Badge: Chrysler / Dodge / Jeep / Ram
usa

American Brother Designs 392 Exterior Side Badge: Chrysler / Dodge / Jeep / Ram

American Brother Designs

Regular price $180.00 $167.00 7% off

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per 

Amerihood SRT Functional Ram Air Hood: Chrysler 300 2011 - 2024
Amerihood SRT Functional Ram Air Hood: Chrysler 300 2011 - 2024

Amerihood SRT Functional Ram Air Hood: Chrysler 300 2011 - 2024

Amerihood

Regular price $500.00 $458.00 8% off

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per 

Stainless Works Long Tube Headers & Mid Pipes: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
Stainless Works Long Tube Headers & Mid Pipes: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
usa

Stainless Works Long Tube Headers & Mid Pipes: Jeep Grand Cherokee 6.4L SRT 2012 - 2021

Stainless Works
5.0 (1)

Regular price $2,695.00 $2,560.25 5% off

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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