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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

Banks Ram-Air Diff Cover Kit Black Ops: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
Banks Ram-Air Diff Cover Kit Black Ops: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
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Banks Ram-Air Diff Cover Kit Black Ops: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt

Banks Power

Regular price $472.22 $425.00 10% off

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Air Lift 1000 Rear Air Spring Kit (REAR): 2011-2023 Durango
Air Lift 1000 Rear Air Spring Kit (REAR): 2011-2023 Durango
MagnaFlow Cat-Back Exhaust: Ram 2014 - 2018 6.4L 2500 / 3500
MagnaFlow Cat-Back Exhaust: Ram 2014 - 2018 6.4L 2500 / 3500
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Go Rhino Stake Pocket Bed Rails - Black: Fits Most Dodge / Ram Models (1994-2026)
Go Rhino Stake Pocket Bed Rails - Black: Fits Most Dodge / Ram Models (1994-2026)
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Go Rhino Stake Pocket Bed Rails - Black: Fits Most Dodge / Ram Models (1994-2026)

Go Rhino

Regular price $168.99 $129.99 23% off

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Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 2019-2024

Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 2019-2024

Diablo Sport

Regular price $1,743.95 $1,549.95 11% off

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Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 15-18

Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 15-18

Diablo Sport

Regular price $1,743.95 $1,549.95 11% off

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PowerStop Z26 Street Warrior D&S Brake Kit (F&R): Dodge Challenger / Charger (15-20) w/ Hardware

PowerStop

$873.29

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PowerStop Z26 Street Warrior Ceramic Brake Kit (F&R): Dodge Challenger / Charger (15-20)

PowerStop

$2,220.56

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aFe POWER Cabin Air Filter Various Chrysler & Dodge 11-23
aFe POWER Cabin Air Filter Various Chrysler & Dodge 11-23
PPE Heavy-Duty Cast Aluminum Front Differential Cover (FRONT): Dodge Ram (14-24)
PPE Heavy-Duty Cast Aluminum Front Differential Cover (FRONT): Dodge Ram (14-24)
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Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models
Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

LIQUI MOLY

$311.80

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Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

LIQUI MOLY

$297.95

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EBC S5 Brake Pads & Rotors Kit (FRONT): Jeep Wrangler (18-25) & Gladiator (20-25) w/ 13.5" Rotors
EBC S5 Brake Pads & Rotors Kit (FRONT): Jeep Wrangler (18-25) & Gladiator (20-25) w/ 13.5" Rotors

EBC S5 Brake Pads & Rotors Kit (FRONT): Jeep Wrangler (18-25) & Gladiator (20-25) w/ 13.5" Rotors

EBC

Regular price $590.75 $561.21 5% off

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MBRP Cat Back Exhaust (Polished Tips): Dodge Challenger 5.7L / 6.4L / 6.2L (15-23)
MBRP Cat Back Exhaust (Polished Tips): Dodge Challenger 5.7L / 6.4L / 6.2L (15-23)

MBRP Cat Back Exhaust (Polished Tips): Dodge Challenger 5.7L / 6.4L / 6.2L (15-23)

MBRP

Regular price $969.69 $784.99 19% off

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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2017 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2017 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

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

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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

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

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DiabloSport Modified PCM + i3 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)
DiabloSport Modified PCM + i3 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)

DiabloSport Modified PCM + i3 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)

Diablo Sport

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

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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2017 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2017 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

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

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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

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

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Access Aluminum Utility Rails: Dodge Ram 2500 / 3500 2019-2024 w/o RamBox - Matte Black

Access

Regular price $298.00 $268.20 10% off

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Banks Ram-Air Diff Cover Kit Satin Black: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
Banks Ram-Air Diff Cover Kit Satin Black: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
usa

Banks Ram-Air Diff Cover Kit Satin Black: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt

Banks Power

Regular price $472.22 $425.00 10% off

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Banks Power Sway Bar Spacer Kit: RAM 2500/3500 2014-2024
Banks Power Sway Bar Spacer Kit: RAM 2500/3500 2014-2024
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Banks Power Sway Bar Spacer Kit: RAM 2500/3500 2014-2024

Banks Power

Regular price $43.33 $39.00 10% off

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Brembo OE Prime Ceramic Slotted Rear Disc Brake Kit 350mm: Fits Challenger/Charger/Magnum/300 2005-2023 6.1/6.2/6.4L HEMI
AMP Research Black PowerStep Plug N Play: Ram 1500 / 2500 / 3500 2013-2016
AMP Research Black PowerStep Plug N Play: Ram 1500 / 2500 / 3500 2013-2016
Diablo Sport Pulsar Cat6: Fits Most Hemi Models

Diablo Sport Pulsar Cat6 Tuner: Fits Jeep / Ram 3.0 SST (23-26)

Diablo Sport

Regular price $806.95 $716.95 11% off

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EBC S9 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010
EBC S9 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010

EBC S9 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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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