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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

Eibach Rear Camber Kit (Bushings): 300C / Challenger / Charger / Magnum 2WD 2005 - 2024
Eibach Rear Camber Kit (Bushings): 300C / Challenger / Charger / Magnum 2WD 2005 - 2024

Eibach Rear Camber Kit (Bushings): 300C / Challenger / Charger / Magnum 2WD 2005 - 2023

Eibach

Regular price $154.44 $139.00 10% off

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per 

BBK Performance 85MM Hemi Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.4L 392 2013 - 2025
BBK Performance 85MM Hemi Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.4L 392 2013 - 2025
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BBK Performance 85MM Hemi Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.4L 392 2013 - 2024

BBK
5.0 (1)

Regular price $579.99 $529.99 9% off

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per 

American Brother Designs PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
American Brother Designs PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
usa

American Brother Designs PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023

American Brother Designs
5.0 (2)

Regular price $154.50 $108.00 30% off

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per 

Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
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Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price $914.40 $762.00 17% off

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Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic
5.0 (1)

Regular price $718.80 $599.00 17% off

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per 

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

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

Amerihood
5.0 (1)

Regular price $600.00 $534.00 11% off

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per 

Granatelli 180° Thermostat & Gasket: Fits HEMI 2003-2024 5.7/6.1/6.2/6.4L
Granatelli 180° Thermostat & Gasket: Fits HEMI 2003-2024 5.7/6.1/6.2/6.4L
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Granatelli 180° Thermostat & Gasket: Fits HEMI 2003-2024 5.7/6.1/6.2/6.4L

Granatelli Motor Sports
5.0 (1)

Regular price $52.50 $49.88 5% off

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per 

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

American Brother Designs
5.0 (1)

Regular price $109.00 $59.00 46% off

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per 

American Brother Designs Strut Tower Covers (Fits Mopar Brace): 300 / Challenger / Charger / Magnum 2005 - 2024
American Brother Designs Strut Tower Covers (Fits Mopar Brace): 300 / Challenger / Charger / Magnum 2005 - 2024
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American Brother Designs Strut Tower Covers (Fits Mopar Brace): 300 / Challenger / Charger / Magnum 2005 - 2023

American Brother Designs
5.0 (1)

Regular price $242.50 $189.00 22% off

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per 

American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
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American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram

American Brother Designs
5.0 (1)

Regular price $76.00 $56.00 26% off

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per 

Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Challenger 6.4L 392 (+46HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Challenger 6.4L 392 (+46HP)

E3 Spark Plugs: Chrysler 300 / Dodge Challenger / Charger 6.4L 392 2011 - 2023

E3
5.0 (3)

Regular price $12.00 $6.99 42% off

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per 

Mishimoto Aluminum Radiator: 300 / Challenger / Charger / Magnum 6.1L & 6.4L SRT8 / SRT / Scat Pack 2006 - 2023
Mishimoto Aluminum Radiator: 300 / Challenger / Charger / Magnum 6.1L & 6.4L SRT8 / SRT / Scat Pack 2006 - 2023

Mishimoto Aluminum Radiator: 300 / Challenger / Charger / Magnum 6.1L & 6.4L SRT8 / SRT / Scat Pack 2006 - 2023

Mishimoto
4.0 (1)

Regular price $909.00 $825.95 9% off

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per 

American Brother Designs ANGRY BEE Exterior Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs ANGRY BEE Exterior Badge: Dodge Challenger / Charger 2015 - 2023
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American Brother Designs ANGRY BEE Exterior Badge: Dodge Challenger / Charger 2015 - 2023

American Brother Designs

Regular price $172.00 $50.00 71% off

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per 

Superior Automotive Hemi Valve Spring Tool: Chrysler, Dodge, Ram & Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat 2003 - 2025
Superior Automotive Hemi Valve Spring Tool: Chrysler, Dodge, Ram & Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat 2003 - 2025
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Superior Automotive Hemi Valve Spring Tool: Chrysler, Dodge & Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat 2003 - 2023

Superior Automotive Engineering

Regular price $299.99 $195.00 35% off

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per 

HPS Silicone Radiator Hose Kit: Dodge Challenger / Charger 6.4L 392 2015 - 2023
HPS Silicone Radiator Hose Kit: Dodge Challenger / Charger 6.4L 392 2015 - 2023

HPS Silicone Radiator Hose Kit: Dodge Challenger / Charger 6.4L 392 2015 - 2023

HPS

Regular price from $390.00 Up to 13% off

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per 

3 colors
  • BLACK
  • BLUE
  • RED
American Brother Designs Coil Pack Covers (Set of 2): 300, Challenger, Charger 2011 - 2023 (5.7L Hemi & 6.4L 392)
American Brother Designs Coil Pack Covers (Set of 2): 300, Challenger, Charger 2011 - 2023 (5.7L Hemi & 6.4L 392)
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American Brother Designs Coil Pack Covers (Set of 2): 300, Challenger, Charger 2011 - 2023 (5.7L Hemi & 6.4L 392)

American Brother Designs

Regular price $325.00 $275.00 15% off

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per 

Bilstein B6 Monotube Front Shocks: 300 / Challenger / Charger 2011 - 2024
Bilstein B6 Monotube Front Shocks: 300 / Challenger / Charger 2011 - 2024

Bilstein B6 Perf Monotube Shock Absorber Yellow Paint (FRONT): Fits Challenger / Charger / 300 2011-2023 RWD

Bilstein
5.0 (2)

Regular price $219.00 $147.00 33% off

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per 

ProCharger Fuel Pump Kit: Challenger / Charger / 300 5.7L Hemi & 6.4L 392 2011 - 2024
ProCharger Fuel Pump Kit: Challenger / Charger / 300 5.7L Hemi & 6.4L 392 2011 - 2024
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Procharger Fuel Pump Kit: Challenger / Charger / 300 5.7L Hemi & 6.4L 392 2011 - 2023

ProCharger
5.0 (1)

Regular price $605.21 $523.79 13% off

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per 

DiabloSport Predator 2 Tuner: 300 / Challenger / Charger / Magnum 2005 - 2014 (V6, Hemi, SRT, ScatPack & Hellcat)
DiabloSport Predator 2 Tuner: 300 / Challenger / Charger / Magnum 2005 - 2014 (V6, Hemi, SRT, ScatPack & Hellcat)

DiabloSport Predator 2 Tuner: 300 / Challenger / Charger / Magnum 2005 - 2018 (V6, Hemi, SRT, ScatPack & Hellcat)

Diablo Sport
5.0 (1)

Regular price $532.95 $369.00 31% off

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per 

SPC Performance Adjustable Rear Camber Kit (REAR): Dodge Charger (06-23)
SPC Performance Adjustable Rear Camber Kit (REAR): Dodge Charger (06-23)
usa
Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
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Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L

Kooks Headers

Regular price $75.80 $68.22 10% off

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BMR Rear Upper Control Arms (On-Car Adj, Red): 300 / Challenger / Charger / Magnum (05-24)
BMR Rear Upper Control Arms (On-Car Adj, Red): 300 / Challenger / Charger / Magnum (05-24)
usa
American Brother Designs Baffle Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023
American Brother Designs Baffle Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023
usa

American Brother Designs Baffle Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023

American Brother Designs
5.0 (2)

Regular price $175.50 $99.00 44% off

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per 

SPC Performance Adjustable Rear Camber Kit (REAR): Dodge Challenger (08-23)
SPC Performance Adjustable Rear Camber Kit (REAR): Dodge Challenger (08-23)
usa
SPC Adjustable Front Camber / Alignment Kit: Dodge Challenger RWD 2009 - 2023
SPC Adjustable Front Camber / Alignment Kit: Dodge Challenger RWD 2009 - 2023
usa

SPC Adjustable Front Camber / Alignment Kit: Dodge Challenger RWD 2009 - 2023

SPC Performance
5.0 (2)

$269.95

Unit price
per 

AWE Touring Edition Catback Exhaust Chrome Silver Tips (REAR): Durango SRT 392 6.4L 2018-24 / Hellcat 6.2L 2021-25
AWE Touring Edition Catback Exhaust Chrome Silver Tips (REAR): Durango SRT 392 6.4L 2018-24 / Hellcat 6.2L 2021-25
usa

AWE Touring Edition Catback Exhaust Chrome Silver Tips (REAR): Durango SRT 392 6.4L 2018-24 / Hellcat 6.2L 2021-25

AWE Tuning
5.0 (3)

Regular price $2,205.26 $2,095.00 5% off

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per 

American Brother Designs Aluminum Hood Prop: 300, Challenger, Charger & Magnum 2005 - 2024
American Brother Designs Aluminum Hood Prop: 300, Challenger, Charger & Magnum 2005 - 2024
usa

American Brother Designs Aluminum Hood Prop: 300, Challenger, Charger & Magnum 2005 - 2024

American Brother Designs

Regular price $139.00 $89.00 36% off

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per 

CFR Performance Hellcat Gen 3 MAP Sensor Block-Off Plate: Fits 6.2L Hellcat
CFR Performance Hellcat Gen 3 MAP Sensor Block-Off Plate: Fits 6.2L Hellcat
American Racing Headers: Jeep Grand Cherokee 6.4L SRT & 6.2L Trackhawk 2012 - 2021
American Racing Headers: Jeep Grand Cherokee 6.4L SRT & 6.2L Trackhawk 2012 - 2021
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 13% off

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per 

BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Ram / Jeep Vehicles 2003 - 2025 (Excl 2019+ Ram)
BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Ram / Jeep Vehicles 2003 - 2025 (Excl 2019+ Ram)
usa

BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Jeep Vehicles 2003 - 2023 (Excl 2019+ Ram)

BBK
5.0 (1)

Regular price $89.99 $69.99 22% 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