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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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6017 Results

3D MAXpider ACE Elegant 3-Row Floormats: Dodge Durango 2011-26 7-Seat - Black
3D MAXpider ACE Elegant 3-Row Floormats: Dodge Durango 2011-26 7-Seat - Black

3D MAXpider ACE Elegant 3-Row Floormats: Dodge Durango 2011-26 7-Seat - Black

3D MAXpider

Regular price $395.82 $374.99 5% off

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EBC Yellowstuff Front Brake Pads (FRONT): Fits Grand Wagoneer / Wagoneer / RAM 1500 / TRX 2019-24
EBC Yellowstuff Front Brake Pads (FRONT): Fits Grand Wagoneer / Wagoneer / RAM 1500 / TRX 2019-24

EBC Yellowstuff Front Brake Pads (FRONT): Fits Grand Wagoneer / Wagoneer / RAM 1500 / TRX 2019-24

EBC

Regular price $205.59 $195.31 5% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
EBC Ultimax Slotted Front Rotors (FRONT): Jeep Grand Cherokee 2011-21 6.4L SRT / Dodge Durango 2018-25 6.2L Hellcat
EBC Ultimax Slotted Front Rotors (FRONT): Jeep Grand Cherokee 2011-21 6.4L SRT / Dodge Durango 2018-25 6.2L Hellcat

EBC Ultimax Slotted Front Rotors (FRONT): Jeep Grand Cherokee 2011-21 6.4L SRT / Dodge Durango 2018-25 6.2L Hellcat

EBC

Regular price $371.27 $352.71 5% off

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Stopping Power
Performance Over Stock
AlphaRex NOVA LED Projector Headlights (Black): Dodge Charger 2015 - 2013
AlphaRex NOVA LED Projector Headlights (Black): Dodge Charger 2015 - 2013

AlphaRex NOVA LED Projector Headlights (Black): Dodge Charger 2015 - 2013

AlphaRex

Regular price from $1,495.00 Up to 9% off

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3D MAXpider ACE Kagu Front Floormats (Black): Chrysler 300 (11-24) / Dodge Charger (11-23) AWD Only
3D MAXpider ACE Kagu Front Floormats (Black): Chrysler 300 (11-24) / Dodge Charger (11-23) AWD Only

3D MAXpider ACE Kagu Front Floormats (Black): Chrysler 300 (11-24) / Dodge Charger (11-23) AWD Only

3D MAXpider

Regular price $131.94 $124.99 5% off

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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2018 (5.7L Hemi & 6.4L 392)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2018 (5.7L Hemi & 6.4L 392)

Diablo Sport

Regular price $1,856.95 $1,649.95 11% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2018 (5.7L Hemi & 6.4L SRT / Scat Pack)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2018 (5.7L Hemi & 6.4L SRT / Scat Pack)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2018 (5.7L Hemi & 6.4L SRT / Scat Pack)

Diablo Sport

Regular price $1,968.95 $1,749.95 11% off

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DiabloSport Modified PCM (Unlocked): Jeep Grand Cherokee 2016 (5.7L Hemi & 6.4L SRT)
DiabloSport Modified PCM (Unlocked): Jeep Grand Cherokee 2016 (5.7L Hemi & 6.4L SRT)

DiabloSport Modified PCM (Unlocked): Jeep Grand Cherokee 2016 (5.7L Hemi & 6.4L SRT)

Diablo Sport

Regular price $1,267.95 $1,126.95 11% off

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DiabloSport Modified PCM (Unlocked): Dodge Challenger 2017 (5.7L Hemi / 6.4L SRT)
DiabloSport Modified PCM (Unlocked): Dodge Challenger 2017 (5.7L Hemi / 6.4L SRT)

DiabloSport Modified PCM (Unlocked): Dodge Challenger 2017 (5.7L Hemi / 6.4L SRT)

Diablo Sport

Regular price $1,383.95 $1,229.95 11% off

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Eibach 35mm Front Sway Bar: Chrysler 300 / Dodge Charger RWD 2011 - 2024 (All Models)
Eibach 35mm Front Sway Bar: Chrysler 300 / Dodge Charger RWD 2011 - 2024 (All Models)

Eibach 35mm Front Sway Bar: Dodge Challenger RWD 2008 - 2023 (All Models)

Eibach

Regular price $332.22 $299.00 10% off

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Autometer Triple Pillar Gauge Pod: Dodge Challenger 2008 - 2014
Autometer Triple Pillar Gauge Pod: Dodge Challenger 2008 - 2014
usa
AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018
AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex
5.0 (1)

Regular price from $262.68 1% off

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Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 3500 6.4L 392 (+48HP)
Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 3500 6.4L 392 (+48HP)
usa

aFe Momentum GT Cold Air Intake (FRONT): Ram 2500 / 3500 6.4L 392 (19-25)

aFe

from $420.00

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2 filter types
  • Pro 5R (Oiled)
  • Pro Dry-S (Non Oiled)
GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2015 - 2023
GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2015 - 2023
usa

GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2015 - 2023

GT Styling

Regular price from $79.76 35% off

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GT Styling Smoke Tail Light Covers: Dodge Challenger 2015 - 2023
GT Styling Smoke Tail Light Covers: Dodge Challenger 2015 - 2023
usa

GT Styling Smoke Tail Light Covers: Dodge Challenger 2015 - 2023

GT Styling

Regular price from $79.75 35% off

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GT Styling Smoke Tail Light Covers: Dodge Charger 2011 - 2014
GT Styling Smoke Tail Light Covers: Dodge Charger 2011 - 2014
usa

GT Styling Smoke Tail Light Covers: Dodge Charger 2011 - 2014

GT Styling

Regular price from $81.30 35% off

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GT Styling Smoke Tail Light Covers: Dodge Challenger 2008 - 2014
GT Styling Smoke Tail Light Covers: Dodge Challenger 2008 - 2014
usa

GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2008 - 2014

GT Styling

Regular price from $79.75 35% off

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American Car Craft Brushed Center Dash Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed Center Dash Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
usa

American Car Craft Brushed Center Dash Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014

American Car Craft
5.0 (1)

Regular price $148.95 $138.95 7% off

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Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025
Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025

Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025

Grams Performance

Regular price from $149.99 Up to 5% off

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Anderson Composites OEM Carbon Fiber Trunk: Dodge Challenger 2008 - 2023 (Including SRT Hellcat & Demon)
Anderson Composites OEM Carbon Fiber Trunk: Dodge Challenger 2008 - 2023 (Including SRT Hellcat & Demon)

Anderson Composites Type-OE Carbon Fiber Deck Lid (REAR): Dodge Challenger 2008-2023

Anderson Composites

Regular price from $1,349.10 Up to 10% off

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Eibach Rear Damper: Fits Most Dodge / Chrysler / Jeep Models (2011-2026)
Eibach Rear Damper: Fits Most Dodge / Chrysler / Jeep Models (2011-2026)

Eibach Rear Damper: Fits Most Dodge / Chrysler / Jeep Models (2011-2026)

Eibach

Regular price $176.67 $159.00 10% off

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Snow Performance Stage 2 Boost Cooler Water-Methanol Injection Kit: Fits most Hemi 5.7 / 6.1 / 6.4L
Snow Performance Stage 2 Boost Cooler Water-Methanol Injection Kit: Fits most Hemi 5.7 / 6.1 / 6.4L

Snow Performance Stage 2 Boost Cooler Water-Methanol Injection Kit: Fits most Hemi 5.7 / 6.1 / 6.4L

Snow Performance

Regular price $1,312.51 $937.51 29% off

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Mishimoto CNC Aluminum Heater Supply and Return Hose Fitting Set: Dodge Durango (2011-2026)
Mishimoto CNC Aluminum Heater Supply and Return Hose Fitting Set: Dodge Durango (2011-2026)

Mishimoto CNC Aluminum Heater Supply and Return Hose Fitting Set: Dodge Durango (2011-2026)

Mishimoto

Regular price $104.00 $94.95 9% off

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Granatelli 160 Degree Thermostat & Gasket: Dodge/Ram/Durango/Chrysler/Jeep 2003-2024 5.7-6.4L HEMI
Granatelli 160 Degree Thermostat & Gasket: Dodge/Ram/Durango/Chrysler/Jeep 2003-2024 5.7-6.4L HEMI
usa

Granatelli 160 Degree Thermostat & Gasket: Dodge/Ram/Durango/Chrysler/Jeep 2003-2024 5.7-6.4L HEMI

Granatelli Motor Sports

Regular price $52.50 $49.88 5% off

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Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024
Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024

Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024

Westin

Regular price $1,147.50 $917.99 20% off

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SPC Performance Cam Kit: Dodge Durango (11-24) / Jeep Grand Cherokee (11-22)
SPC Performance Cam Kit: Dodge Durango (11-24) / Jeep Grand Cherokee (11-22)
usa

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