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Shop 392 Hemi

Unlock the potential of the 6.4L 392 Hemi, a naturally aspirated powerhouse known for its robust 392 cubic inch displacement and strong factory internals. Found in Scat Pack Challengers, Durango SRT 392, and Ram HD trucks, this engine offers an excellent foundation for performance upgrades and boost-ready builds. At FastHemis, you’ll find a wide range of parts tailored to enhance your 392 Hemi’s power, reliability, and capability. From supercharger kits and long tube headers to cold air intakes and tuning solutions, these components help you maximize horsepower and torque while maintaining engine durability. Key upgrades for your 6.4L 392 Hemi include: - Supercharger and forced induction kits - High-flow intake and exhaust systems - Performance tuners and calibration tools - Supporting hardware for boost builds Shop 6.4L 392 Hemi upgrades at FastHemis.
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Liqui Moly Synthoil Race Tech GT1 Motor Oil: Fits Most Models
Liqui Moly Synthoil Race Tech GT1 Motor Oil: Fits Most Models
Liqui Moly Pro-Line Fuel Injection Cleaner: Fits Most Models
Liqui Moly Pro-Line Fuel Injection Cleaner: Fits Most Models
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Liqui Moly Fuel Injection Cleaner: Fits Most Models

Liqui Moly Fuel Injection Cleaner: Fits Most Models

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Artec Industries Steel Winch Plate V3 Bumper: Jeep Gladiator / Wrangler - Steel
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Artec Industries Rear Axle Truss: Jeep Wrangler (18-25)
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Rancho RS7MT Shock (REAR): Dodge Ram 1500 / 2500 / 3500 (94-24)
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K&N 77 Series Cold Air Intake: Ram 6.4L 392 2019 - 2025 (2500 / 3500)
K&N 77 Series Cold Air Intake: Ram 6.4L 392 2019 - 2025 (2500 / 3500)
CORSA Xtreme Cat-Back Exhaust (Polished Tips): Dodge Charger 6.4L / 6.2L Hellcat (15-23)
CORSA Xtreme Cat-Back Exhaust (Polished Tips): Dodge Charger 6.4L / 6.2L Hellcat (15-23)
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CORSA Xtreme Cat-Back Exhaust (Polished Tips): Dodge Charger 6.4L / 6.2L Hellcat (15-23)

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Regular price $2,397.99 $2,199.99 8% off

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Bilstein B8 5100 Rear Shock: Ram 2500 2019 - 2025 (WITH Rear Coil Springs, 0-1" Rear Lift)
Bilstein B8 5100 Rear Shock: Ram 2500 2019 - 2025 (WITH Rear Coil Springs, 0-1" Rear Lift)

Bilstein B8 5100 Rear Shock: Ram 2500 2019 - 2025 (WITH Rear Coil Springs, 0-1" Rear Lift)

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EBC S6 Brake Pads & Rotors Kit (REAR): Jeep Grand Cherokee 6.1L SRT8 2006 - 2010
EBC S6 Brake Pads & Rotors Kit (REAR): Jeep Grand Cherokee 6.1L SRT8 2006 - 2010

EBC S6 Brake Pads & Rotors Kit (REAR): Jeep Grand Cherokee 6.1L SRT8 2006 - 2010

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Regular price $627.10 $595.75 5% off

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EBC S3 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi
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EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi
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Fast Hemis One-Click Stage 1 Kit: 2015-2023 Dodge Challenger 6.4L 392 (+46HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Challenger 6.4L 392 (+46HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2015-2023 Dodge Challenger 6.4L 392 (+46HP)

FastHemis

Regular price $1,265.82 from $1,040.20 Up to 18% off

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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)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Challenger 6.4L 392 (+46HP)

FastHemis

Regular price $1,265.82 from $1,040.20 Up to 18% off

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Liqui Moly MoS2 Anti-Friction Engine Treatment: Fits Most Models
Liqui Moly MoS2 Anti-Friction Engine Treatment: Fits Most Models
Go Rhino RB20 Running Boards & Drop Steps Kit: Fits Dodge / Ram (02-26)
Go Rhino RB20 Running Boards & Drop Steps Kit: Fits Dodge / Ram (02-26)
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Go Rhino RB20 Running Boards & Drop Steps Kit: Fits Dodge / Ram (02-26)

Go Rhino

Regular price $1,150.47 $920.38 20% off

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Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Charger 6.4L 392 (+46HP)
Fast Hemis One-Click Stage 1 Kit: 2015-2023 Dodge Charger 6.4L 392 (+46HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Charger 6.4L 392 (+46HP)

FastHemis

Regular price $2,132.82 from $1,863.85 Up to 13% off

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Fast Hemis One-Click Stage 1 Kit: 2015-2023 Dodge Charger 6.4L 392 (+46HP)
Fast Hemis One-Click Stage 1 Kit: 2015-2023 Dodge Charger 6.4L 392 (+46HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2015-2023 Dodge Charger 6.4L 392 (+46HP)

FastHemis

Regular price $2,132.82 from $1,863.85 Up to 13% off

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Performance Upgrades for Your 6.4L 392 Hemi

The 6.4L 392 Hemi is a naturally aspirated powerhouse with a strong factory foundation, making it an ideal candidate for performance enhancements and boost-ready builds. Known for its forged steel crankshaft, hypereutectic pistons, and high-flow cylinder heads, this engine delivers robust power and durability across various Mopar platforms.

Why upgrade your 6.4L 392 Hemi with performance parts?

Upgrading your 392 Hemi’s components unlocks greater horsepower and torque while maintaining reliability. Enhancements like high-flow intake and exhaust systems improve airflow, while supercharger kits add forced induction for substantial power gains. These upgrades also help optimize throttle response and engine efficiency, making your vehicle more capable on the street or track.

  • Improved airflow with long tube headers and cold air intakes
  • Enhanced power delivery through performance tuners and calibration
  • Boost-ready internals support supercharger and procharger installations
  • Supporting hardware ensures durability under increased cylinder pressures

Building a reliable foundation for boost on the 392 Hemi

The 6.4L 392 Hemi’s robust rotating assembly and high compression ratio make it well-suited for moderate forced induction setups. When adding a supercharger or procharger, it’s important to consider fuel system upgrades, cooling enhancements, and proper tuning to maintain engine health. Planning these supporting modifications ensures your boosted build performs reliably over time.

Explore 6.4L 392 Hemi upgrades at FastHemis

Whether you’re looking to add a supercharger kit, upgrade your intake and exhaust, or fine-tune your engine’s calibration, FastHemis offers a wide selection of parts tailored to the 6.4L 392 Hemi. Shop our collection to find quality components designed to maximize your engine’s power and durability for street, track, or boost builds.

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