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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

Stage 8 Header Bolts & Locking Fasteners: Fits Dodge / Ram / Jeep 5.7L-6.4L Hemi (02-26)
Stage 8 Header Bolts & Locking Fasteners: Fits Dodge / Ram / Jeep 5.7L-6.4L Hemi (02-26)
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Stage 8 Header Bolts & Locking Fasteners: Fits Dodge / Ram / Jeep 5.7L-6.4L Hemi (02-26)

Stage 8
4.9 (7)

Regular price $92.26 $72.71 21% off

Unit price
per 

American Brother Designs Oil Catch Can: Chrysler / Dodge / Jeep V8 Hemi 2005 - 2025
American Brother Designs Oil Catch Can: Chrysler / Dodge / Jeep V8 Hemi 2005 - 2025
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American Brother Designs Oil Catch Can: Chrysler / Dodge / Jeep V8 Hemi 2005 - 2023

American Brother Designs
4.8 (12)

Regular price $321.50 $235.00 27% off

Unit price
per 

Mishimoto 180 Degree Low Temp Thermostat: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat 2005 - 2025
Mishimoto 180 Degree Low Temp Thermostat: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat 2005 - 2025

Mishimoto Low Temp Thermostat: 5.7L Hemi & 6.1L SRT8 / 6.4L 392 2005 - 2023

Mishimoto
5.0 (8)

Regular price $71.00 $64.95 9% 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)
Cometic MLS Exhaust Manifold / Header Gaskets (Pair): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2009 - 2025
Cometic MLS Exhaust Manifold / Header Gaskets (Pair): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2009 - 2025
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Cometic MLS Exhaust Manifold Gaskets (Pair): Fits Chrysler / Dodge / Jeep / Ram 09-26

Cometic Gasket
4.8 (4)

Regular price $47.05 $42.35 10% off

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per 

Cometic Valve Cover Gasket: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk
Cometic Valve Cover Gasket: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk
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Cometic Valve Cover Gasket: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.2L Hemi (02-26)

Cometic Gasket
5.0 (4)

Regular price from $18.52 Up to 10% off

Unit price
per 

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
4.8 (8)

Regular price $535.95 $475.95 11% off

Unit price
per 

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
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American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024

American Brother Designs
4.5 (2)

Regular price $101.49 $69.00 32% off

Unit price
per 

Amerihood VIP Style Functional Ram Air Hood: Chrysler 300 2011 - 2024
Amerihood VIP Style Functional Ram Air Hood: Chrysler 300 2011 - 2024

Amerihood VIP Style Functional Ram Air Hood: Chrysler 300 2011 - 2024

Amerihood
5.0 (5)

Regular price $850.00 $655.00 23% off

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per 

BBK Performance 90MM Hemi Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.4L 392 2013 - 2025
BBK Performance 90MM Hemi Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.4L 392 2013 - 2025
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BBK Performance 90MM Hemi Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.4L 392 2013 - 2024

BBK
4.8 (5)

Regular price $599.99 $549.99 8% off

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per 

Mopar Hellcat Lifters: Chrysler / Dodge / Ram / Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat / Trackhawk / TRX 2003 - 2025
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Brian Tooley Racing - Mopar Performance Hellcat Lifters: Chrysler / Dodge / Jeep 5.7L Hemi 2009 - 2023

Brian Tooley Racing
5.0 (1)

Regular price $199.99 $174.95 13% off

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per 

MSD Blaster HVC Ignition Coils (8-Pack, Dual Plug): 2005 - 2025 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat
MSD Blaster HVC Ignition Coils (8-Pack, Dual Plug): 2005 - 2025 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat

MSD Blaster HVC Ignition Coils (8-Pack, Dual Plug): 2005 - 2023 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat

MSD Ignition
5.0 (2)

Regular price from $538.95 Up to 20% off

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per 

2 colors
AFE Throttle Body Spacer: Dodge Durango / Jeep Grand Cherokee 2011 - 2025 (5.7L Hemi & 6.4L 392)
AFE Throttle Body Spacer: Dodge Durango / Jeep Grand Cherokee 2011 - 2025 (5.7L Hemi & 6.4L 392)
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Cometic Timing Cover Gasket Set: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk 2003 - 2025
Cometic Timing Cover Gasket Set: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk 2003 - 2025
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DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport
5.0 (3)

Regular price $818.95 $727.95 11% off

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per 

Mishimoto Ignition Coil Pack Set (8-Pack) (F&R): Fits 5.7/6.1/6.2/6.4L HEMI 2006-2023
Mishimoto Ignition Coil Pack Set (8-Pack) (F&R): Fits 5.7/6.1/6.2/6.4L HEMI 2006-2023

Mishimoto Ignition Coil Pack Set (8-Pack) (F&R): Fits 5.7/6.1/6.2/6.4L HEMI 2006-2023

Mishimoto
5.0 (2)

Regular price $297.00 $269.95 9% off

Unit price
per 

American Brother Designs SCATPACK Acrylic Badge (OEM Colors): Dodge Challenger / Charger 2015 - 2023
American Brother Designs SCATPACK Acrylic Badge (OEM Colors): Dodge Challenger / Charger 2015 - 2023
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American Brother Designs SCATPACK Acrylic Badge (OEM Colors): Dodge Challenger / Charger 2015 - 2023

American Brother Designs

Regular price $126.00 $53.50 58% off

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Mishimoto Aluminum Radiator: Dodge Durango / Jeep Grand Cherokee 2011 - 2023 (3.6L V6, 5.7L Hemi & 6.4L SRT)
Mishimoto Aluminum Radiator: Dodge Durango / Jeep Grand Cherokee 2011 - 2023 (3.6L V6, 5.7L Hemi & 6.4L SRT)

Mishimoto Aluminum Radiator: Dodge Durango / Jeep Grand Cherokee 2011 - 2023 (3.6L V6, 5.7L Hemi & 6.4L SRT)

Mishimoto
5.0 (1)

Regular price $841.00 $764.95 9% off

Unit price
per 

Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Master Kit
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Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025

Brian Tooley Racing

Regular price $2,524.42 $449.99 82% off

Unit price
per 

American Brother Designs Fuse Box Cover: 300 / Challenger / Charger 2015 - 2023
American Brother Designs Fuse Box Cover: 300 / Challenger / Charger 2015 - 2023
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American Brother Designs Fuse Box Cover: 300 / Challenger / Charger 2015 - 2023

American Brother Designs

Regular price $201.00 $171.00 15% off

Unit price
per 

Cometic Intake Manifold Gasket Set (Pair): Chrysler / Dodge / Jeep 6.1L SRT8 & 6.4L 392 2006 - 2025
Cometic Intake Manifold Gasket Set (Pair): Chrysler / Dodge / Jeep 6.1L SRT8 & 6.4L 392 2006 - 2025
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Cometic Intake Manifold Gasket Set (Pair): Chrysler / Dodge / Jeep 6.1L SRT8 & 6.4L 392 2006 - 2023

Cometic Gasket
5.0 (1)

Regular price $41.48 $37.33 10% off

Unit price
per 

Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
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Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Jeep 6.4L 392 2011 - 2024

Cometic Gasket
5.0 (3)

Regular price from $96.54 Up to 10% off

Unit price
per 

Cometic Water Pump Mounting Gasket: Chrysler / Dodge / Jeep  / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
Cometic Water Pump Mounting Gasket: Chrysler / Dodge / Jeep  / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
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Cometic Water Pump Mounting Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392

Cometic Gasket

Regular price $8.69 $7.82 10% off

Unit price
per 

Brian Tooley Racing Valve Spring Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
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Brian Tooley Racing Valve Spring Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025

Brian Tooley Racing
5.0 (2)

Regular price $275.99 $229.99 17% off

Unit price
per 

Eibach Pro-Kit Lowering Springs: Dodge Durango / Jeep Grand Cherokee 2WD / 4WD 2011 - 2025
Eibach Pro-Kit Lowering Springs: Dodge Durango / Jeep Grand Cherokee 2WD / 4WD 2011 - 2025

Eibach Pro Kit Perf Springs: Fits Jeep Grand Cherokee 2011-21 3.6L / Durango R/T 5.7L 2015-23

Eibach
5.0 (3)

Regular price $438.89 $395.00 10% off

Unit price
per 

Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
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Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392

Cometic Gasket
5.0 (2)

Regular price $4.05 $3.64 10% off

Unit price
per 

DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

Diablo Sport
4.5 (2)

Regular price $535.95 $475.95 11% off

Unit price
per 

American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
usa

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

American Brother Designs

Regular price $109.00 $59.00 46% off

Unit price
per 

American Brother Designs Hood Shock Covers: Dodge Challenger / Magnum 2005 - 2023
American Brother Designs Hood Shock Covers: Dodge Challenger / Magnum 2005 - 2023
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American Brother Designs Hood Shock Covers: Dodge Challenger / Magnum 2005 - 2023

American Brother Designs

Regular price $113.00 $90.00 20% off

Unit price
per 

American Brother Designs Hood Shock Covers: Dodge Charger / Chrysler 300 2005 - 2024
American Brother Designs Hood Shock Covers: Dodge Charger / Chrysler 300 2005 - 2024
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American Brother Designs Hood Shock Covers: Dodge Charger / Chrysler 300 2005 - 2024

American Brother Designs
5.0 (1)

Regular price $113.00 $90.00 20% off

Unit price
per 

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
5.0 (2)

Regular price $535.95 $475.95 11% off

Unit price
per 

Amerihood TYPE-RDY STYLE Functional Ram Air Hood: Chrysler 300 2011 - 2024
Amerihood TYPE-RDY STYLE Functional Ram Air Hood: Chrysler 300 2011 - 2024

Amerihood TYPE-RDY STYLE Functional Ram Air Hood: Chrysler 300 2011 - 2024

Amerihood
5.0 (3)

Regular price $500.00 $458.00 8% off

Unit price
per 

American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat / Trackhawk
American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat / Trackhawk
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American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram Vehicles

American Brother Designs
5.0 (1)

Regular price $174.50 $124.00 29% off

Unit price
per 

BC Racing BR Coilovers: 300 / Challenger / Charger 2011 - 2024 (RWD)
BC Racing BR Coilovers: 300 / Challenger / Charger 2011 - 2024 (RWD)

BC Racing BR Coilovers: 300 / Challenger / Charger 2011 - 2023 (RWD)

BC Racing
5.0 (2)

Regular price $1,314.50 $1,195.00 9% off

Unit price
per 

S&B Cold Air Intake: Ram 6.4L 392 Hemi 2019 - 2025 (2500 / 3500)
S&B Cold Air Intake: Ram 6.4L 392 Hemi 2019 - 2025 (2500 / 3500)
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S&B Cold Air Intake: Ram 6.4L 392 Hemi 2019 - 2025 (2500 / 3500)

S&B Filters
5.0 (2)

Regular price $429.99 $379.00 12% off

Unit price
per 

2 filter types

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