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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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5834 Results

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)

Bilstein

Regular price $171.85 $123.00 28% off

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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

EBC

Regular price $627.10 $595.75 5% off

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Stopping Power
Noise Level
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EBC S3 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi
EBC S3 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi

EBC S3 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi

EBC

Regular price $477.17 $453.31 5% off

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Stopping Power
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EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 3.6L V6
EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 3.6L V6

EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 3.6L V6

EBC

Regular price $321.75 $305.66 5% off

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Stopping Power
Performance Over Stock
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EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi
EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi

EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi

EBC

Regular price $326.15 $309.84 5% off

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Stopping Power
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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)
usa

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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Fast Hemis One-Click Stage 1 Kit: 2015-2024 Chrysler 300 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: 2015-2024 Chrysler 300 6.4L 392 (+46HP)

FastHemis

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

Unit price
per 

Fast Hemis One-Click Stage 1 Kit: 2011-2014 Chrysler 300 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 Chrysler 300 6.4L 392 (+46HP)

FastHemis

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

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per 

Anderson Composites Carbon Fiber Roof Replacement (Dry): Dodge Challenger 2008 - 2023 (All Models)
Anderson Composites Carbon Fiber Roof Replacement (Dry): Dodge Challenger 2008 - 2023 (All Models)

Anderson Composites Carbon Fiber Roof Replacement (Dry): Dodge Challenger 2008 - 2023 (All Models)

Anderson Composites

Regular price $2,999.00 $2,699.10 10% off

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usa

Lakewood High Strength Chromoly Bellhousing Bolt Kit: Mopar Gen III Hemi w/ T-56 and T-56 Magnum

Lakewood

Regular price $61.95 $54.29 12% off

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Addictive Desert Designs Phantom Rear Bumper: Jeep Wrangler (18-24) / Gladiator (20-24)
Addictive Desert Designs Phantom Rear Bumper: Jeep Wrangler (18-24) / Gladiator (20-24)
usa
Bestop Safari Cable Bikini Top (F&R): Jeep Wrangler JL 2018-2023

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