USE COUPON CODE "SUMMER26"

Your cart

Your cart is empty

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.
SELECT YOUR VEHICLE

6020 Results

HPS Silicone Radiator Hose Kit: Dodge Durango 6.4L SRT 2018 - 2025
HPS Silicone Radiator Hose Kit: Dodge Durango 6.4L SRT 2018 - 2025

HPS Silicone Radiator Hose Kit: Dodge Durango 6.4L SRT 2018 - 2025

HPS

Regular price from $219.00 Up to 13% off

Unit price
per 

3 colors
American Brother Designs Under Hood Cup Holder Fill: Dodge Challenger (08-23) & Charger (06-23)
American Brother Designs Under Hood Cup Holder Fill: Dodge Challenger (08-23) & Charger (06-23)
usa

American Brother Designs Under Hood Cup Holder Fill: Dodge Challenger (08-23) & Charger (06-23)

American Brother Designs
5.0 (1)

Regular price $132.00 $82.00 38% off

Unit price
per 

HPS Silicone Heater Hose Kit: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
HPS Silicone Heater Hose Kit: Jeep Grand Cherokee 6.4L SRT 2012 - 2021

HPS Silicone Heater Hose Kit: Jeep Grand Cherokee 6.4L SRT 2012 - 2021

HPS
5.0 (2)

Regular price from $102.00 Up to 13% off

Unit price
per 

3 colors
HPS Silicone Radiator Hoses Kit: 300 / Challenger / Charger 6.4L 392 2015 - 2023
HPS Silicone Radiator Hoses Kit: 300 / Challenger / Charger 6.4L 392 2015 - 2023

HPS Silicone Radiator Hoses Kit: 300 / Challenger / Charger 6.4L 392 2015 - 2023

HPS

Regular price $312.80 $272.00 13% off

Unit price
per 

3 colors
  • BLACK
  • BLUE
  • RED
EBC Premium Front Brake Rotors: 300, Challenger, Charger, Magnum 6.1L SRT8 & 6.4L 392 (w/ 4-Piston Brembo Calipers ONLY)
EBC Premium Front Brake Rotors: 300, Challenger, Charger, Magnum 6.1L SRT8 & 6.4L 392 (w/ 4-Piston Brembo Calipers ONLY)

EBC Premium Front Brake Rotors: 300, Challenger, Charger, Magnum 6.1L SRT8 & 6.4L 392 (w/ 4-Piston Brembo Calipers ONLY)

EBC

Regular price $347.58 $330.20 5% off

Unit price
per 

Stopping Power
Noise Level
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2018 (5.7L Hemi / 6.4L 392)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2018 (5.7L Hemi / 6.4L 392)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2018 (5.7L Hemi / 6.4L 392)

Diablo Sport

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

Unit price
per 

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

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

GT Styling

Regular price from $117.72 35% off

Unit price
per 

GT Styling Smoke Rear Center Panel Cover: Dodge Charger 2011 - 2014
GT Styling Smoke Rear Center Panel Cover: Dodge Charger 2011 - 2014
usa

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

GT Styling

Regular price from $99.64 35% off

Unit price
per 

Fuel Injector Clinic 1200cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
Fuel Injector Clinic 1200cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 1200cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price from $1,077.00 Up to 17% off

Unit price
per 

Stainless Works Stainless Steel Exhaust System: Jeep Grand Cherokee 2012-2018
Stainless Works Stainless Steel Exhaust System: Jeep Grand Cherokee 2012-2018
usa

Stainless Works Exhaust System: Jeep Grand Cherokee 6.4L SRT 2012 - 2021

Stainless Works

Regular price $2,095.00 $1,990.25 5% off

Unit price
per 

AFE Cold Air Intake: Chrysler 300C / Dodge Challenger / Charger 6.4L 392 2011 - 2024
AFE Cold Air Intake: Chrysler 300C / Dodge Challenger / Charger 6.4L 392 2011 - 2024
usa
ACT Alignment Tool: Fits Most Dodge Challenger Models (2008-2019)
ACT Alignment Tool: Fits Most Dodge Challenger Models (2008-2019)

ACT Alignment Tool: Fits Most Dodge Challenger Models (2008-2019)

ACT

Regular price $5.60 $5.40 4% off

Unit price
per 

Brembo OE Premium NAO Ceramic Brake Pad

Brembo OE Premium NAO Ceramic Brake Pad (REAR): Chrysler 300 / Dodge Challenger / Charger (05-20)

Brembo OE

$56.71

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Brembo OE Premium NAO Ceramic OE Equivalent Brake Pad (FRONT): Fits Most Hemi Models

Brembo OE Premium NAO Ceramic Brake Pad (FRONT): Chrysler 300 / Dodge Challenger / Charger (05-20)

Brembo OE

$63.11

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
EBC Redstuff Rear Brake Pads (REAR): Fits Challenger/Charger/Magnum/300/Grand Cherokee/Durango 2005-2025 6.1-6.4L
EBC Redstuff Rear Brake Pads (REAR): Fits Challenger/Charger/Magnum/300/Grand Cherokee/Durango 2005-2025 6.1-6.4L

EBC Redstuff Rear Brake Pads (REAR): Fits Challenger/Charger/Magnum/300/Grand Cherokee/Durango 2005-2025 6.1-6.4L

EBC

Regular price $179.39 $170.42 5% off

Unit price
per 

Stopping Power
Noise Level
Hawk Ceramic Front Brake Pads: Dodge Challenger / Charger 6.4L 392 & 6.2L Hellcat (15-23)
usa

Hawk Ceramic Front Brake Pads: Dodge Challenger / Charger 6.4L 392 & 6.2L Hellcat (15-23)

Hawk Performance

Regular price $297.99 $268.19 10% off

Unit price
per 

Stopping Power
Performance Over Stock
Dust Levels
APS Black Stainless Lower Mesh Grille (WITH Adaptive Cruise Control): Chrysler 300 2015 - 2024
APS Black Stainless Lower Mesh Grille (WITH Adaptive Cruise Control): Chrysler 300 2015 - 2024
APS Black Stainless Lower Billet Grille (WITH Adaptive Cruise Control): Dodge Challenger 2015 - 2023
APS Black Stainless Lower Billet Grille (WITH Adaptive Cruise Control): Dodge Challenger 2015 - 2023
Kooks 02 Sensor Extensions: RAM 1500 HEMI 2009 - 2015
Kooks 02 Sensor Extensions: RAM 1500 HEMI 2009 - 2015
usa

Kooks 02 Sensor Extensions: RAM 1500 HEMI 2009 - 2015

Kooks Headers

Regular price $39.61 $35.65 10% off

Unit price
per 

Cometic MLX RHS Head Gasket (4.150" Bore, .054" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)
Cometic MLX RHS Head Gasket (4.150" Bore, .054" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)
usa

Cometic MLX RHS Head Gasket (4.150" Bore, .054" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)

Cometic Gasket
5.0 (1)

Regular price $137.84 $124.07 10% off

Unit price
per 

Cometic MLX LHS Head Gasket (4.150" Bore, .054" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)
Cometic MLX LHS Head Gasket (4.150" Bore, .054" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)
usa

Cometic MLX LHS Head Gasket (4.150" Bore, .054" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)

Cometic Gasket
5.0 (1)

Regular price $137.84 $124.07 10% off

Unit price
per 

EBC GD Drilled & Slotted Rear Brake Rotors: 300 / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2023
EBC GD Drilled & Slotted Rear Brake Rotors: 300 / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2023

EBC GD Drilled & Slotted Rear Brake Rotors: 300 / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2023

EBC
5.0 (1)

Regular price $463.98 $440.78 5% off

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
American Brother Designs CHALLENGER SCRIPT Acrylic Front Grille Badge: Dodge Challenger 2015 - 2023
American Brother Designs CHALLENGER SCRIPT Acrylic Front Grille Badge: Dodge Challenger 2015 - 2023
usa

American Brother Designs CHALLENGER SCRIPT Acrylic Front Grille Badge: Dodge Challenger 2015 - 2023

American Brother Designs

Regular price $114.00 $64.00 44% off

Unit price
per 

American Brother Designs Acrylic GT Badge (2 color): Dodge Challenger 2015 - 2023
American Brother Designs Acrylic GT Badge (2 color): Dodge Challenger 2015 - 2023
usa

American Brother Designs Acrylic GT Badge (2 color): Dodge Challenger 2015 - 2023

American Brother Designs
5.0 (1)

Regular price $123.00 $73.00 41% off

Unit price
per 

American Brother Designs R/T Badge: Dodge Charger (06-10), Magnum (05-08) & Durango (11-25)
American Brother Designs R/T Badge: Dodge Charger (06-10), Magnum (05-08) & Durango (11-25)
usa

American Brother Designs R/T Badge: Dodge Charger (06-10), Magnum (05-08) & Durango (11-25)

American Brother Designs

Regular price $138.00 $88.00 36% off

Unit price
per 

American Brother Designs DODGE Letters: Dodge Charger (06-23) & Durango (17-25)
American Brother Designs DODGE Letters: Dodge Charger (06-23) & Durango (17-25)
usa

American Brother Designs DODGE Letters: Dodge Charger (06-23) & Durango (17-25)

American Brother Designs
5.0 (1)

Regular price $145.00 $95.00 34% off

Unit price
per 

American Brother Designs Coolant Reservoir Cap Cover: Dodge Durango, Jeep Grand Cherokee, Jeep Wagoneer, Ram
American Brother Designs Coolant Reservoir Cap Cover: Dodge Durango, Jeep Grand Cherokee, Jeep Wagoneer, Ram
usa

American Brother Designs Coolant Reservoir Cap Cover: Fits Jeep / Dodge / Ram (09-26)

American Brother Designs

Regular price $109.00 $59.00 46% 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