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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

AMP Research Black PowerStep Xtreme: Ram 1500 / 2500 / 3500 2013-2017
AMP Research Black PowerStep Xtreme: Ram 1500 / 2500 / 3500 2013-2017
Synergy Mfg HD Drag Link w/ T-Style Steering: Fits Dodge / Ram 4x4 (02-18)
Synergy Mfg HD Drag Link w/ T-Style Steering: Fits Dodge / Ram 4x4 (02-18)
usa
Superchips Flashcal & Amp'd 2.0 Kit: Fits Ram / Dodge Ram (02-24) w/ Wireless Switch
Superchips Flashcal & Amp'd 2.0 Kit: Fits Ram / Dodge Ram (02-24) w/ Wireless Switch

Superchips Flashcal & Amp'd 2.0 Kit: Fits Ram / Dodge Ram (02-24) w/ Wireless Switch

Superchips

Regular price $806.95 $716.95 11% off

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Husky Liners Aeroskin Chrome Hood Protector: Ram 2500 / 3500 (2019-2026)
Husky Liners Aeroskin Chrome Hood Protector: Ram 2500 / 3500 (2019-2026)
Anderson Composites TS Carbon Fiber Hood: Dodge Charger 2011 - 2014
Anderson Composites TS Carbon Fiber Hood: Dodge Charger 2011 - 2014

Anderson Composites TS Carbon Fiber Hood: Dodge Charger 2011 - 2014

Anderson Composites

Regular price $1,699.00 $1,529.10 10% off

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Superchips Flashcal and Amp'd 2.0 Kit: Fits Most Dodge / Ram Models 2007-2017
Superchips Flashcal and Amp'd 2.0 Kit: Fits Most Dodge / Ram Models 2007-2017

Superchips Flashcal and Amp'd 2.0 Kit: Fits Most Dodge / Ram Models 2007-2017

Superchips

Regular price $731.95 $649.95 11% off

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Superchips Flashcal Calibration Tool: Dodge Ram 1500 / 2500 / 3500 (98-17)

Superchips Flashcal Calibration Tool: Dodge Ram 1500 / 2500 / 3500 (98-17)

Superchips

Regular price $337.95 $299.95 11% off

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DiabloSport Modified PCM (Unlocked): Dodge Ram 2018 (6.4L Hemi 2500 / 3500)
DiabloSport Modified PCM (Unlocked): Dodge Ram 2018 (6.4L Hemi 2500 / 3500)

DiabloSport Modified PCM (Unlocked): Dodge Ram 2018 (6.4L Hemi 2500 / 3500)

Diablo Sport

Regular price $1,037.95 $921.95 11% off

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DiabloSport Modified PCM (Unlocked): Dodge Challenger 2018 (5.7L Hemi & 6.4L 392)
DiabloSport Modified PCM (Unlocked): Dodge Challenger 2018 (5.7L Hemi & 6.4L 392)

DiabloSport Modified PCM (Unlocked): Dodge Challenger 2018 (5.7L Hemi & 6.4L 392)

Diablo Sport

Regular price $1,267.95 $1,126.95 11% off

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DiabloSport Modified PCM (Unlocked): Dodge Charger 2019 (5.7L Hemi & 6.4L 392)
DiabloSport Modified PCM (Unlocked): Dodge Charger 2019 (5.7L Hemi & 6.4L 392)

DiabloSport Modified PCM (Unlocked): Dodge Charger 2019 (5.7L Hemi & 6.4L 392)

Diablo Sport

Regular price $1,210.95 $1,075.95 11% off

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DiabloSport Modified PCM (Unlocked): Dodge Challenger 2019 (5.7L Hemi & 6.4L 392)
DiabloSport Modified PCM (Unlocked): Dodge Challenger 2019 (5.7L Hemi & 6.4L 392)

DiabloSport Modified PCM (Unlocked): Dodge Challenger 2019 (5.7L Hemi & 6.4L 392)

Diablo Sport

Regular price $1,210.95 $1,075.95 11% off

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DiabloSport Modified PCM (Unlocked): Dodge Charger 2018 (5.7L Hemi & 6.4L 392)
DiabloSport Modified PCM (Unlocked): Dodge Charger 2018 (5.7L Hemi & 6.4L 392)

DiabloSport Modified PCM (Unlocked): Dodge Charger 2018 (5.7L Hemi & 6.4L 392)

Diablo Sport

Regular price $1,267.95 $1,126.95 11% off

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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
Liqui Moly Fuel Injection Cleaner: Fits Most Models
Liqui Moly Fuel Injection Cleaner: Fits Most Models

Liqui Moly Fuel Injection Cleaner: Fits Most Models

LIQUI MOLY

$227.40

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Artec Industries Steel Winch Plate V3 Bumper: Jeep Gladiator / Wrangler - Steel
usa
Artec Industries High Clearance Comp Front Bumper: Jeep Wrangler (18-25)
Artec Industries High Clearance Comp Front Bumper: Jeep Wrangler (18-25)
usa
Artec Industries Engine Oil Skid w/ Oil Door: Jeep Wrangler (21-25)
Artec Industries Engine Oil Skid w/ Oil Door: Jeep Wrangler (21-25)
usa

Artec Industries Engine Oil Skid w/ Oil Door: Jeep Wrangler (21-25)

Artec Industries

$849.99

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Artec Industries Rear Axle Truss: Jeep Wrangler (18-25)
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Artec Industries Rear Axle Truss: Jeep Wrangler (18-25)

Artec Industries

$131.99

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Artec Industries Rear License Plate Mount: Jeep Wrangler JL Sahara (18-25)
usa
Artec Industries Full Bellypan w/ Oil Door: Jeep Wrangler 2020-2025 - Aluminum
Artec Industries Full Bellypan w/ Oil Door: Jeep Wrangler 2020-2025 - Aluminum
usa
Rancho RS7MT Shock (REAR): Dodge Ram 1500 / 2500 / 3500 (94-24)
Rancho RS7MT Shock (REAR): Dodge Ram 1500 / 2500 / 3500 (94-24)
Go Rhino RB20 Complete Running Boards Kit w/ Drop Steps: Fits Dodge / Ram 1500 / 2500 / 3500 (02-26)
usa

Go Rhino RB20 Complete Running Boards Kit w/ Drop Steps: Fits Dodge / Ram 1500 / 2500 / 3500 (02-26)

Go Rhino

Regular price $1,533.96 $1,179.96 23% off

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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)
usa

CORSA Xtreme Cat-Back Exhaust (Polished Tips): Dodge Charger 6.4L / 6.2L Hellcat (15-23)

CORSA Performance

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