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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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5833 Results

EBC S9 Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)
EBC S9 Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)

EBC S9 Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)

EBC

Regular price $582.35 $553.23 5% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
EBC S5 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010
EBC S5 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010

EBC S5 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010

EBC

Regular price $867.81 $824.42 5% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
EBC S4 Brake Pads & Rotors Kit (REAR): 300, Challenger, Charger, Magnum 2005 - 2024 (3.5L & 3.6L V6 AWD ONLY)
EBC S4 Brake Pads & Rotors Kit (REAR): 300, Challenger, Charger, Magnum 2005 - 2024 (3.5L & 3.6L V6 AWD ONLY)

EBC S4 Brake Pads & Rotors Kit (REAR): 300, Challenger, Charger, Magnum 2005 - 2024 (3.5L & 3.6L V6 AWD ONLY)

EBC

Regular price $582.35 $553.23 5% off

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per 

Stopping Power
Performance Over Stock
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EBC S13 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 1500 2009 - 2010
EBC S13 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 1500 2009 - 2010

EBC S13 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 1500 2009 - 2010

EBC

Regular price $670.10 $636.60 5% off

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Borla S-Type Turndown Tip Catback Exhaust: Jeep Grand Wagoneer 2023-2024
Borla S-Type Turndown Tip Catback Exhaust: Jeep Grand Wagoneer 2023-2024
usa

Borla S-Type Turndown Tip Catback Exhaust: Jeep Grand Wagoneer 2023-2024

Borla

Regular price $2,127.99 $1,899.99 11% off

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MagnaFlow Filter-Back Performance Exhaust System: Ram 3500 2021
MagnaFlow Filter-Back Performance Exhaust System: Ram 3500 2021
usa
Mishimoto Thermal Bypass: Ram 2500 / Ram 3500 2019-2024
Mishimoto Thermal Bypass: Ram 2500 / Ram 3500 2019-2024

Mishimoto Thermal Bypass: Ram 2500 / Ram 3500 2019-2024

Mishimoto

Regular price $225.00 $204.95 9% off

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Bilstein B8 5100 Rear Shock: Ram 3500 2013 - 2025 (w/ 2-3" Rear Lift w/ OUT Air Leveling Suspension)
Bilstein B8 5100 Rear Shock: Ram 3500 2013 - 2025 (w/ 2-3" Rear Lift w/ OUT Air Leveling Suspension)

Bilstein B8 5100 Rear Shock: Ram 3500 2013 - 2025 (w/ 2-3" Rear Lift w/ OUT Air Leveling Suspension)

Bilstein

Regular price $171.85 $123.00 28% off

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Rock Slide Engineering Step Sliders: Multiple Jeep Fitments
usa

Rock Slide Engineering Step Sliders: Multiple Jeep Fitments

Rock Slide Engineering

$2,309.99

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Kooks Headers 3" OEM Catted Mid Pipes EPS Sensor (F&R): Challenger/Charger/300C SRT8 2011-2014 6.4L 392 HEMI
Kooks Headers 3" OEM Catted Mid Pipes EPS Sensor (F&R): Challenger/Charger/300C SRT8 2011-2014 6.4L 392 HEMI
usa

Kooks Headers 3" OEM Catted Mid Pipes EPS Sensor (F&R): Challenger/Charger/300C SRT8 2011-2014 6.4L 392 HEMI

Kooks Headers

Regular price $1,319.74 $1,187.77 10% off

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Lakewood Cast Aluminum Bellhousing Kit: Fits Mopar Gen III HEMI to GM T-56 / Magnum Transmissions
usa

Lakewood Cast Aluminum Bellhousing Kit: Fits Mopar Gen III HEMI to GM T-56 / Magnum Transmissions

Lakewood

Regular price $633.95 $562.95 11% off

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FastHemis One Click Brian Tooley Stage 2 Master Camshaft / MDS Conversion Kit: 2011+ Chrysler / Dodge / Jeep 6.4L Hemi
Brian Tooley Racing Stage 2 Camshaft: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Master Kit
FastHemis One Click Brian Tooley Stage 2 Master Camshaft / MDS Conversion Kit: 2009+ Chrysler / Dodge / Jeep 5.7L Hemi
Brian Tooley Racing Stage 2 Camshaft: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Master Kit
FastHemis One Click Brian Tooley Stage 2 Master Camshaft / MDS Conversion Kit: 2014+ RAM 6.4L Hemi
Brian Tooley Racing Stage 2 Camshaft: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Master Kit

FastHemis One Click Brian Tooley Stage 2 Master Camshaft / MDS Conversion Kit: 2014+ RAM 6.4L Hemi

FastHemis

Regular price from $2,328.43 Up to 35% off

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Go Rhino RB20 Slim Running Boards Kit w/ Brackets (F&R): Fits Dodge Ram (02-26) - Textured Black
usa

Go Rhino RB20 Slim Running Boards Kit w/ Brackets (F&R): Fits Dodge Ram (02-26) - Textured Black

Go Rhino

Regular price $643.48 $494.98 23% off

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EBC S12 Brake Pads & Rotors Kit (FRONT): 300, Challenger, Charger 3.6L V6 AWD 2011 - 2024
EBC S12 Brake Pads & Rotors Kit (FRONT): 300, Challenger, Charger 3.6L V6 AWD 2011 - 2024

EBC S12 Brake Pads & Rotors Kit (FRONT): 300, Challenger, Charger 3.6L V6 AWD 2011 - 2024

EBC

Regular price $418.63 $397.70 5% off

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Stopping Power
Performance Over Stock
Dust Levels
EBC Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)
EBC Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)

EBC Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)

EBC

Regular price $421.86 $400.77 5% off

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Stopping Power
Noise Level
Manley Perf Platinum Series 5.7L Hemi 3.917" Bore Flat Top Piston Set: Fits Dodge / Chrysler (02-23)
Manley Perf Platinum Series 5.7L Hemi 3.917" Bore Flat Top Piston Set: Fits Dodge / Chrysler (02-23)
usa

Manley Perf Platinum Series 5.7L Hemi 3.917" Bore Flat Top Piston Set: Fits Dodge / Chrysler (02-23)

Manley Performance

Regular price $1,006.11 $855.19 15% off

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Method Wheels 709-HD / Matte Black | 18x9 | 5x5 | 12/5.5"
Method Wheels 709-HD / Matte Black | 18x9 | 5x5 | 12/5.5"

Method Wheels 709-HD / Matte Black | 18x9 | 5x5 | 12/5.5"

Method Wheels

$449.00

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Diablo Sport Modified PCM and Trinity T2 Programmer: Jeep Wrangler 2020-2023
Diablo Sport Modified PCM and Trinity T2 Programmer: Jeep Wrangler 2020-2023

Diablo Sport Modified PCM and Trinity T2 Programmer: Jeep Wrangler 2020-2023

Diablo Sport

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

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Diablo Sport Modified PCM and Trinity T2 Programmer: Jeep Wrangler 2019
Diablo Sport Modified PCM and Trinity T2 Programmer: Jeep Wrangler 2019

Diablo Sport Modified PCM and Trinity T2 Programmer: Jeep Wrangler 2019

Diablo Sport

Regular price $1,687.95 $1,499.95 11% off

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Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Wrangler 2021
Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Wrangler 2021

Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Wrangler 2021

Diablo Sport

Regular price $1,462.95 $1,299.95 11% off

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Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Wrangler 2020
Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Wrangler 2020

Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Wrangler 2020

Diablo Sport

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

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Jeep Grand Cherokee 2019 (5.7L Hemi & 6.4L SRT)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Jeep Grand Cherokee 2019 (5.7L Hemi & 6.4L SRT)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Jeep Grand Cherokee 2019 (5.7L Hemi & 6.4L SRT)

Diablo Sport

Regular price $2,362.95 $2,099.95 11% off

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Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Grand Cherokee 2018
Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Grand Cherokee 2018

Diablo Sport Modified PCM and Trinity T2 Programmer Kit: Jeep Grand Cherokee 2018

Diablo Sport

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