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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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5826 Results

Westin Black Bull Bar: Ram 2500 (2010-2019) / Ram 3500 (2010-2019)
Westin Black Bull Bar: Ram 2500 (2010-2019) / Ram 3500 (2010-2019)
Westin Textured Black Rear Bumper: Jeep Wrangler 2018-2024
Westin Textured Black Rear Bumper: Jeep Wrangler 2018-2024
Westin Black HDX Grille Guard: Ram 2500 / 3500 2019-2024
Westin Black HDX Grille Guard: Ram 2500 / 3500 2019-2024

Westin Black HDX Grille Guard: Ram 2500 / 3500 2019-2024

Westin

Regular price $1,433.75 $1,146.99 20% off

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Westin Black Truck Bed Mat: Fits Dodge / Ram (03-23)
Westin Black Truck Bed Mat: Fits Dodge / Ram (03-23)

Westin Black Truck Bed Mat: Fits Dodge / Ram (03-23)

Westin

$262.50

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Westin Pro-Mod Front Bumper: Dodge Ram 2500 (2010) / Ram 3500 (2010-2019)
Westin Pro-Mod Front Bumper: Dodge Ram 2500 (2010) / Ram 3500 (2010-2019)

Westin Pro-Mod Front Bumper: Dodge Ram 2500 (2010) / Ram 3500 (2010-2019)

Westin

Regular price $1,561.25 $1,248.99 20% off

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Westin SS PRO TRAXX 5 Oval Nerf Step Bars: Fits Dodge / Ram (09-26)
Westin SS PRO TRAXX 5 Oval Nerf Step Bars: Fits Dodge / Ram (09-26)

Westin SS PRO TRAXX 5 Oval Nerf Step Bars: Fits Dodge / Ram (09-26)

Westin

Regular price $896.25 $716.99 20% off

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Westin SS Drop Nerf Step Bars: Fits Ram 1500 / 2500 / 3500 (09-24) - Textured Black
Westin SS Drop Nerf Step Bars: Fits Ram 1500 / 2500 / 3500 (09-24) - Textured Black

Westin SS Drop Nerf Step Bars: Fits Ram 1500 / 2500 / 3500 (09-24) - Textured Black

Westin

Regular price $1,115.00 $891.99 20% off

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Method Wheels 323 / Gloss Black | 20x9 | 6x5.5 | 12/5.44"
Method Wheels 323 / Gloss Black | 20x9 | 6x5.5 | 12/5.44"

Method Wheels 323 / Gloss Black | 20x9 | 6x5.5 | 12/5.44"

Method Wheels

$419.00

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Westin Textured Black Gas Tank Skid Plate: Jeep Wrangler 2018-2024
Westin Textured Black Gas Tank Skid Plate: Jeep Wrangler 2018-2024
Westin Pro-Series Front Bumper: Dodge Ram 2500 (2010) / Ram 2500 / 3500 (11-18)
Westin Pro-Series Front Bumper: Dodge Ram 2500 (2010) / Ram 2500 / 3500 (11-18)

Westin Pro-Series Front Bumper: Dodge Ram 2500 (2010) / Ram 2500 / 3500 (11-18)

Westin

Regular price $2,173.75 $1,738.99 20% off

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Westin Textured Black Pro-Mod Skid Plate: Ram 2500 / 3500 2019-2024
Westin Textured Black Pro-Mod Skid Plate: Ram 2500 / 3500 2019-2024

Westin Textured Black Pro-Mod Skid Plate: Ram 2500 / 3500 2019-2024

Westin

Regular price $388.75 $310.99 20% off

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Westin Black HDX Bandit Front Bumper: Ram 2500 / 3500 2019-2024
Westin Black HDX Bandit Front Bumper: Ram 2500 / 3500 2019-2024

Westin Black HDX Bandit Front Bumper: Ram 2500 / 3500 2019-2024

Westin

Regular price $2,665.00 $2,131.99 20% off

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Westin Textured Black Pro-Series Front Bumper (FRONT): Ram 2500 / 3500 2019-2024
Westin Textured Black Pro-Series Front Bumper (FRONT): Ram 2500 / 3500 2019-2024

Westin Textured Black Pro-Series Front Bumper (FRONT): Ram 2500 / 3500 2019-2024

Westin

Regular price $2,242.50 $1,793.99 20% off

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Westin Stainless Steel Drop W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024 w/ Textured Black
Westin Stainless Steel Drop W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024 w/ Textured Black

Westin Stainless Steel Drop W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024 w/ Textured Black

Westin

Regular price $1,527.50 $1,221.99 20% off

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Westin Transmission Pan Skid Plate: Jeep Wrangler JL 2018-2024
Westin Transmission Pan Skid Plate: Jeep Wrangler JL 2018-2024
Westin Black R5 Nerf Step Bars: Fits Dodge / Ram (09-26) w/ Hardware
Westin Black R5 Nerf Step Bars: Fits Dodge / Ram (09-26) w/ Hardware

Westin Black R5 Nerf Step Bars: Fits Dodge / Ram (09-26) w/ Hardware

Westin

Regular price $818.75 $654.99 20% off

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Method Wheels 322 / Gloss Black | 17x8.5 | 5x5 | 0/4.72"
Method Wheels 322 / Gloss Black | 17x8.5 | 5x5 | 0/4.72"

Method Wheels 322 / Gloss Black | 17x8.5 | 5x5 | 0/4.72"

Method Wheels

$335.00

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Westin HDX Drop Wheel-To-Wheel Nerf Step Bars: Dodge Ram / Ram 1500 / Ram 2500 / Ram 3500 (02-26)
Westin HDX Drop Wheel-To-Wheel Nerf Step Bars: Dodge Ram / Ram 1500 / Ram 2500 / Ram 3500 (02-26)

Westin HDX Drop Wheel-To-Wheel Nerf Step Bars: Dodge Ram / Ram 1500 / Ram 2500 / Ram 3500 (02-26)

Westin

Regular price $1,286.25 $1,028.99 20% off

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Westin SS Nerf Step Bars: Fits Dodge / Ram (09-26) w/ Hardware
Westin SS Nerf Step Bars: Fits Dodge / Ram (09-26) w/ Hardware

Westin SS Nerf Step Bars: Fits Dodge / Ram (09-26) w/ Hardware

Westin

Regular price $880.00 $703.99 20% off

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Westin Textured Black Drop Nerf Step Bars: Jeep Wrangler JL Unlimited (2018-24)
Westin Textured Black Drop Nerf Step Bars: Jeep Wrangler JL Unlimited (2018-24)

Westin Textured Black Drop Nerf Step Bars: Jeep Wrangler JL Unlimited (2018-24)

Westin

Regular price $1,115.00 $891.99 20% off

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Westin PRO TRAXX 5 SS Oval Nerf Step Bars: Dodge Ram 1500 / 2500 / 3500 / Ram 1500 Classic (09-24)
Westin PRO TRAXX 5 SS Oval Nerf Step Bars: Dodge Ram 1500 / 2500 / 3500 / Ram 1500 Classic (09-24)

Westin PRO TRAXX 5 SS Oval Nerf Step Bars: Dodge Ram 1500 / 2500 / 3500 / Ram 1500 Classic (09-24)

Westin

Regular price $1,376.25 $1,100.99 20% off

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Method Wheels 708 / Gloss Titanium | 17x8.5 | 5x5 | 0/4.72"
Method Wheels 708 / Gloss Titanium | 17x8.5 | 5x5 | 0/4.72"

Method Wheels 708 / Gloss Titanium | 17x8.5 | 5x5 | 0/4.72"

Method Wheels

$366.00

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Westin Textured Black Spare Tire Relocator: Jeep Wrangler (18-24)
Westin Textured Black Spare Tire Relocator: Jeep Wrangler (18-24)
Westin Textured Black Tube Fenders (REAR): Jeep Wrangler 2018-2024
Westin Textured Black Tube Fenders (REAR): Jeep Wrangler 2018-2024
Westin Heavy Duty Drop Wheel-to-Wheel Nerf Step Bars: Ram 2500 / 3500 2011-2019
Westin Heavy Duty Drop Wheel-to-Wheel Nerf Step Bars: Ram 2500 / 3500 2011-2019

Westin Heavy Duty Drop Wheel-to-Wheel Nerf Step Bars: Ram 2500 / 3500 2011-2019

Westin

Regular price $1,403.75 $1,122.99 20% off

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Westin R5 M-Series Black Nerf Step Bars: Dodge Ram 2500 (2010-2019) / Ram 3500 (2010-2019)
Westin R5 M-Series Black Nerf Step Bars: Dodge Ram 2500 (2010-2019) / Ram 3500 (2010-2019)

Westin R5 M-Series Black Nerf Step Bars: Dodge Ram 2500 (2010-2019) / Ram 3500 (2010-2019)

Westin

Regular price $1,127.50 $901.99 20% off

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Westin Black PRO TRAXX 5 Oval W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024
Westin Black PRO TRAXX 5 Oval W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024

Westin Black PRO TRAXX 5 Oval W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024

Westin

Regular price $1,303.75 $1,042.99 20% off

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Westin Black 4 Oval Nerf Step Bars: Jeep Grand Cherokee 2011-2018
Westin Black 4 Oval Nerf Step Bars: Jeep Grand Cherokee 2011-2018
Westin Textured Black Xtreme Nerf Step Bars: Jeep Wrangler JL Unlimited 2018-2024
Westin Textured Black Xtreme Nerf Step Bars: Jeep Wrangler JL Unlimited 2018-2024

Westin Textured Black Xtreme Nerf Step Bars: Jeep Wrangler JL Unlimited 2018-2024

Westin

Regular price $880.00 $703.99 20% 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