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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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Weapon R Aluminum Coolant Overflow Tank: Dodge Challenger 2011-2014

Weapon R Aluminum Coolant Overflow Tank: Dodge Challenger 2011 - 2014

Weapon R

Regular price $300.00 $255.00 15% off

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Vertical Doors: Dodge Challenger 2008 - 2023 (All Models)
Vertical Doors: Dodge Challenger 2008 - 2023 (All Models)
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Vertical Doors: Dodge Challenger 2008 - 2023 (All Models)

Vertical Doors
5.0 (1)

Regular price $1,499.00 $1,349.00 10% off

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Spec D LED Projector Headlights (Chrome): Dodge Ram 2009 - 2018
Spec D LED Projector Headlights (Chrome): Dodge Ram 2009 - 2018

Spec D LED Projector HeadLights (Chrome): Dodge Ram 2009 - 2016

Spec D

Regular price $319.00 $236.00 26% off

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Stainless Works Long Tube Headers and Mid Pipes: Chrysler 300 / Dodge Challenger / Charger / Magnum
usa

Stainless Works Long Tube Headers & Mid Pipes: Chrysler 300 / Dodge Charger / Challenger (05-25)

Stainless Works

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

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Hawk HPS 5.0 Front Brake Pads: Jeep Grand Cherokee SRT8 2006 - 2010
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Hawk HPS 5.0 Front Brake Pads: Jeep Grand Cherokee SRT8 2006 - 2010

Hawk Performance

Regular price $213.99 $192.59 10% off

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Stopping Power
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Performance Over Stock
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American Car Craft Brushed Side Console Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed Side Console Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
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American Car Craft Brushed Side Console Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014

American Car Craft

Regular price $148.95 $138.95 7% off

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American Car Craft Brushed A/C Control Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed A/C Control Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
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American Car Craft Brushed A/C Control Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014

American Car Craft

Regular price $77.95 $72.95 6% off

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American Car Craft Brushed Outer Shifter Plate: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed Outer Shifter Plate: Dodge Challenger R/T SRT8 2008 - 2014
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American Car Craft Brushed Outer Shifter Plate: Dodge Challenger R/T SRT8 2008 - 2014

American Car Craft

Regular price $190.95 $177.95 7% off

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

American Car Craft
5.0 (1)

Regular price $37.95 $35.95 5% off

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

American Car Craft

Regular price $37.95 $35.95 5% off

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American Car Craft Brushed A/C Vent Trim Kit: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed A/C Vent Trim Kit: Dodge Challenger R/T SRT8 2008 - 2014
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American Car Craft Brushed A/C Vent Trim Kit: Dodge Challenger R/T SRT8 2008 - 2014

American Car Craft

Regular price $118.95 $110.95 7% off

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American Car Craft Brushed Door Arm Control Trim: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed Door Arm Control Trim: Dodge Challenger R/T SRT8 2008 - 2014
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American Car Craft Brushed Door Arm Control Trim: Dodge Challenger R/T SRT8 2008 - 2014

American Car Craft

Regular price $94.95 $88.95 6% off

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American Car Craft Brushed Door Handle Pull Trim: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed Door Handle Pull Trim: Dodge Challenger R/T SRT8 2008 - 2014
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American Car Craft Brushed Door Handle Pull Trim: Dodge Challenger R/T SRT8 2008 - 2014

American Car Craft

Regular price $82.95 $77.95 6% off

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American Car Craft Brushed Shifter Plate: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed Shifter Plate: Dodge Challenger R/T SRT8 2008 - 2014
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American Car Craft Brushed Shifter Plate: Dodge Challenger R/T SRT8 2008 - 2012

American Car Craft

Regular price $88.95 $82.95 7% off

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American Car Craft Shock Tower Dome Covers: 300C / Charger / Magnum 2005 - 2024
American Car Craft Shock Tower Dome Covers: 300C / Charger / Magnum 2005 - 2024
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American Car Craft Shock Tower Dome Covers: 300C / Charger / Magnum 2005 - 2023

American Car Craft

Regular price $103.95 $99.95 4% off

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American Car Craft Carbon Fiber Door Badge (SRT8): Dodge Challenger 2008 - 2023
American Car Craft Carbon Fiber Door Badge (SRT8): Dodge Challenger 2008 - 2023
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American Car Craft Carbon Fiber Door Badge (SRT8): Dodge Challenger 2008 - 2023

American Car Craft
5.0 (1)

Regular price $173.95 $161.95 7% off

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K&N 77 Series Cold Air Intake: Ram 2500 / 3500 6.4L 2014 - 2018
K&N 77 Series Cold Air Intake: Ram 2500 / 3500 6.4L 2014 - 2018
Anderson Composites OEM Carbon Fiber Grille: Dodge Challenger 2008 - 2014
Anderson Composites OEM Carbon Fiber Grille: Dodge Challenger 2008 - 2014

Anderson Composites OEM Carbon Fiber Grille: Dodge Challenger 2008 - 2014

Anderson Composites

Regular price $1,399.00 $1,259.10 10% off

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H&R 30mm Wheel Spacers: Dodge Magnum 2005 - 2008 (All Models)
H&R 25mm Wheel Spacers: Dodge Magnum 2005 - 2008 (All Models)
Glassskinz Torch Combo Set (Rear & Side Window Louvers): Dodge Challenger 2008 - 2023 (All Models)
Glassskinz Torch Combo Set (Rear & Side Window Louvers): Dodge Challenger 2008 - 2023 (All Models)
usa

Glassskinz Torch Combo Set (Rear & Side Window Louvers): Dodge Challenger 2008 - 2023 (All Models)

Glassskinz

Regular price $995.00 from $644.90 35% off

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Corsa Xtreme Exhaust System: Dodge Durango SRT 6.4L 392 / 6.2L Hellcat 2018 - 2024
Corsa Xtreme Exhaust System: Dodge Durango SRT 6.4L 392 / 6.2L Hellcat 2018 - 2024
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Corsa Xtreme Exhaust System: Dodge Durango SRT 6.4L 392 / 6.2L Hellcat 2018 - 2024

CORSA Performance

Regular price from $2,109.99 Up to 8% off

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Baer 15" Extreme Rear Big Brake Kit: 300 / Challenger / Charger / Magnum 2006 - 2024 (6.1L SRT8 / 6.4L 392 ONLY)
Baer 15" Extreme Rear Big Brake Kit: 300 / Challenger / Charger / Magnum 2006 - 2024 (6.1L SRT8 / 6.4L 392 ONLY)
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Baer 15" Extreme Rear Big Brake Kit: 300 / Challenger / Charger / Magnum 2006 - 2023 (SRT Only)

Baer

Regular price from $3,935.00 9% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Baer 15" Extreme Front Big Brake Kit: 300 / Challenger / Charger / Magnum 2006 - 2024 (6.1L SRT8 / 6.4L 392 ONLY)
Baer 15" Extreme Front Big Brake Kit: 300 / Challenger / Charger / Magnum 2006 - 2024 (6.1L SRT8 / 6.4L 392 ONLY)
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Baer 15" Extreme Front Big Brake Kit: 300 / Challenger / Charger / Magnum 2006 - 2023 (SRT Only)

Baer

Regular price from $3,935.00 9% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
American Car Craft "MOPAR" Deluxe Fluid & Shock Tower Cap Covers (13PC): Dodge Challenger V8 2008 - 2023
American Car Craft "MOPAR" Deluxe Fluid & Shock Tower Cap Covers (13PC): Dodge Challenger V8 2008 - 2023
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American Car Craft "MOPAR" Deluxe Fluid & Shock Tower Cap Covers (13PC): Dodge Challenger V8 2008 - 2023

American Car Craft

Regular price $321.95 $299.95 7% off

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17 colors
  • Red Carbon Fiber
  • Black Carbon Fiber
  • Blue Carbon Fiber
  • Green Carbon Fiber
  • Orange Carbon Fiber
  • +12 more
American Car Craft Dash Trim Ring (Headlight/Trunk): Dodge Charger R/T 2011 - 2014
American Car Craft Dash Trim Ring (Headlight/Trunk): Dodge Charger R/T 2011 - 2014
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American Car Craft Dash Trim Ring (Headlight/Trunk): Dodge Charger R/T 2011 - 2014

American Car Craft

Regular price $46.95 $43.95 6% off

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Ram Clutches Force 10.5 Twin Disc Clutch Kit: Dodge Challenger 2008 - 2023
Ram Clutches Force 10.5 Twin Disc Clutch Kit: Dodge Challenger 2008 - 2023
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RAM Clutches Force 10.5 Twin Disc Clutch Kit (Metallic): Dodge Challenger (08-23)

RAM Clutches

Regular price $1,995.00 $1,795.00 10% off

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American Car Craft Trunk Lid Liner (Brushed or Polished): Dodge Challenger 2008 - 2023 (All Models)
American Car Craft Trunk Lid Liner (Brushed or Polished): Dodge Challenger 2008 - 2023 (All Models)
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American Car Craft Trunk Lid Liner: Dodge Challenger 2008 - 2014 (All Models)

American Car Craft

Regular price $341.95 $318.95 7% off

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American Car Craft Door Handle Trim Rings (Brushed or Polished): Dodge Challenger 2008 - 2014
American Car Craft Door Handle Trim Rings (Brushed or Polished): Dodge Challenger 2008 - 2014
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American Car Craft Door Handle Trim Rings (Brushed or Polished): Dodge Challenger 2008 - 2014

American Car Craft
5.0 (1)

Regular price $50.95 $47.95 6% off

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American Car Craft Front Door Speaker Trim (Brushed or Polished): Dodge Challenger 2008 - 2014
American Car Craft Front Door Speaker Trim (Brushed or Polished): Dodge Challenger 2008 - 2014
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American Car Craft Front Door Speaker Trim (Brushed or Polished): Dodge Challenger 2008 - 2014

American Car Craft
5.0 (1)

Regular price $55.95 $52.95 5% off

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per 

Clazzio Leather Seat Covers: Ram 2013 - 2018 (Crew or Quad Cab w/ Rear Bench)
Clazzio Leather Seat Covers: Ram 2013 - 2018 (Crew or Quad Cab w/ Rear Bench)

Clazzio Leather Seat Covers: Dodge Ram 2013 - 2018 (Crew or Quad Cab w/ Rear Bench)

Clazzio

Regular price $700.00 $599.00 14% off

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American Racing Headers Shorty Headers: 300 / Challenger / Charger 6.4L 392 & 6.2L Hellcat 2011 - 2024
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American Racing Headers Shorty Headers: 300 / Challenger / Charger 6.4L 392 & 6.2L Hellcat 2011 - 2024

American Racing Headers

Regular price $1,316.39 $1,195.72 9% off

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American Racing Headers Full Exhaust System (Headers, Mid Pipes & Cat-Back): Dodge Challenger 6.4L 392 2015 - 2023
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American Racing Headers Full Exhaust System: Dodge Challenger (15-23)

American Racing Headers

Regular price from $3,782.59 Up to 9% off

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Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021
Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021
usa

Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021

Kooks Headers

Regular price from $3,164.68 Up to 10% off

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American Racing Headers: Dodge Challenger 6.1L SRT8 / 6.4L 392 2006 - 2023
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American Racing Headers: Dodge Challenger 6.1L SRT8 / 6.4L 392 2006 - 2023

American Racing Headers

Regular price from $1,927.74 Up to 10% off

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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