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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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5820 Results

ANZO LED Tail Lights (Black): Dodge Ram 1500 2009 - 2018
ANZO LED Tail Lights (Black): Dodge Ram 1500 2009 - 2018
K&N 71 Series Cold Air Intake: Dodge Ram 5.7L Hemi 2009 - 2010 / Ram 5.7L Hemi 2011 - 2018
K&N 71 Series Cold Air Intake: Dodge Ram 5.7L Hemi 2009 - 2010 / Ram 5.7L Hemi 2011 - 2018

K&N 71 Series Cold Air Intake: Dodge Ram 5.7L Hemi 2009 - 2018

K&N Engineering

$474.99

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K&N Dryflow Cold Air Intake: Dodge	Ram 5.7L Hemi 2009 - 2018
K&N Dryflow Cold Air Intake: Dodge	Ram 5.7L Hemi 2009 - 2018

K&N Dryflow Cold Air Intake: Dodge Ram 5.7L Hemi 2009 - 2018

K&N Engineering

$317.99

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K&N NextGen Cold Air Intake: Ram 1500 2011-2024 5.7L V8
K&N NextGen Cold Air Intake: Ram 1500 2011-2024 5.7L V8

K&N NextGen Cold Air Intake: Ram 1500 2011-2024 5.7L V8

K&N Engineering

$425.99

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Corsa Exhaust Tips (Black): Ram 5.7L 2500 2010 - 2013
Corsa Exhaust Tips (Black): Ram 5.7L 2500 2010 - 2013
usa

Corsa Exhaust Tips (Black): Ram 5.7L 2500 2010 - 2013

CORSA Performance

Regular price $415.99 $381.99 8% off

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Cometic MLX Head Gasket (4.312" Bore, .052" Thick): Dodge Ram (02-10) / Ram 2500 / 3500 (11-18)
Cometic MLX Head Gasket (4.312" Bore, .052" Thick): Dodge Ram (02-10) / Ram 2500 / 3500 (11-18)
usa

Cometic MLX Head Gasket (4.312" Bore, .052" Thick): Dodge Ram (02-10) / Ram 2500 / 3500 (11-18)

Cometic Gasket

Regular price $256.03 $230.43 10% off

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Cometic MLS Head Gasket 0.086" Thickness (LH): Fits 03-08 & 09-24 5.7L VVT HEMI
Cometic MLS Head Gasket 0.086" Thickness (LH): Fits 03-08 & 09-24 5.7L VVT HEMI
usa

Cometic MLS Head Gasket 0.086" Thickness (LH): Fits 03-08 & 09-24 5.7L VVT HEMI

Cometic Gasket

Regular price $169.17 $152.26 10% off

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Mishimoto Silicone Radiator Hose Kit Black (F&R): 13-14 RAM 2500/3500/4500/5500 6.7L Cummins
Mishimoto Silicone Radiator Hose Kit Black (F&R): 13-14 RAM 2500/3500/4500/5500 6.7L Cummins

Mishimoto Silicone Radiator Hose Kit Black (F&R): 13-14 RAM 2500/3500/4500/5500 6.7L Cummins

Mishimoto

Regular price $363.00 $329.95 9% off

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Mishimoto Silicone Radiator Hose Kit Red (F&R): RAM 2500 / 3500 / 4500 / 5500 6.7L Cummins 2013-2014
Mishimoto Silicone Radiator Hose Kit Red (F&R): RAM 2500 / 3500 / 4500 / 5500 6.7L Cummins 2013-2014

Mishimoto Silicone Radiator Hose Kit Red (F&R): RAM 2500 / 3500 / 4500 / 5500 6.7L Cummins 2013-2014

Mishimoto

Regular price $363.00 $329.95 9% off

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Mishimoto Silicone Radiator Hose Kit Black (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins
Mishimoto Silicone Radiator Hose Kit Black (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins

Mishimoto Silicone Radiator Hose Kit Black (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins

Mishimoto

Regular price $363.00 $329.95 9% off

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Mishimoto Silicone Radiator Hose Kit Blue (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins
Mishimoto Silicone Radiator Hose Kit Blue (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins

Mishimoto Silicone Radiator Hose Kit Blue (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins

Mishimoto

Regular price $363.00 $329.95 9% off

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Mishimoto Silicone Radiator Hose Kit Red (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins
Mishimoto Silicone Radiator Hose Kit Red (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins

Mishimoto Silicone Radiator Hose Kit Red (F&R): RAM 2500/3500/4500/5500 2015-2018 6.7L Cummins

Mishimoto

Regular price $363.00 $329.95 9% off

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Skyjacker Spare Tire Carrier Kit: Jeep Wrangler (07-18)
Skyjacker Spare Tire Carrier Kit: Jeep Wrangler (07-18)
usa

Skyjacker Spare Tire Carrier Kit: Jeep Wrangler (07-18)

Skyjacker

$290.34

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Skyjacker ADX M2.0 Aluminum Monotube Shock (FRONT): Dodge Ram (94-01)
usa
Mishimoto Perf Intake Oiled Filter (F&R): Jeep Wrangler JL 2018-2023 2.0L
Mishimoto Perf Intake Oiled Filter (F&R): Jeep Wrangler JL 2018-2023 2.0L

Mishimoto Perf Intake Oiled Filter (F&R): Jeep Wrangler JL 2018-2023 2.0L

Mishimoto

Regular price $472.00 $428.95 9% off

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Mishimoto Perf Intake Dry Filter (F&R): Jeep Wrangler JL 2018-2023 2.0L
Mishimoto Perf Intake Dry Filter (F&R): Jeep Wrangler JL 2018-2023 2.0L

Mishimoto Perf Intake Dry Filter (F&R): Jeep Wrangler JL 2018-2023 2.0L

Mishimoto

Regular price $472.00 $428.95 9% off

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Mishimoto Silicone Radiator Hose Kit Black (F&R): Jeep Wrangler JL 2.0L 2018-2023
Mishimoto Silicone Radiator Hose Kit Black (F&R): Jeep Wrangler JL 2.0L 2018-2023

Mishimoto Silicone Radiator Hose Kit Black (F&R): Jeep Wrangler JL 2.0L 2018-2023

Mishimoto

Regular price $264.00 $239.95 9% off

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Mishimoto Perf Intake Oiled Filter: Jeep Wrangler JL / Gladiator JT 3.6L 2018-2025
Mishimoto Perf Intake Oiled Filter: Jeep Wrangler JL / Gladiator JT 3.6L 2018-2025

Mishimoto Perf Intake Oiled Filter: Jeep Wrangler JL / Gladiator JT 3.6L 2018-2025

Mishimoto

Regular price $414.00 $375.95 9% off

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Mishimoto Perf Intake Dry Filter: Jeep Wrangler JL / Gladiator JT 3.6L 2018-2025
Mishimoto Perf Intake Dry Filter: Jeep Wrangler JL / Gladiator JT 3.6L 2018-2025

Mishimoto Perf Intake Dry Filter: Jeep Wrangler JL / Gladiator JT 3.6L 2018-2025

Mishimoto

Regular price $414.00 $375.95 9% off

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Mishimoto Aluminum Coolant Y-Pipe (F&R): RAM 2500/3500/4500/5500 2013-2014 6.7L Cummins
Mishimoto Aluminum Coolant Y-Pipe (F&R): RAM 2500/3500/4500/5500 2013-2014 6.7L Cummins

Mishimoto Aluminum Coolant Y-Pipe (F&R): RAM 2500/3500/4500/5500 2013-2014 6.7L Cummins

Mishimoto

Regular price $71.00 $64.95 9% off

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Mishimoto Silicone Radiator Hose Kit Black (F&R): Jeep Wrangler JL 2018-2021 / Gladiator JT 2020-2025 3.6L Auto
Mishimoto Silicone Radiator Hose Kit Black (F&R): Jeep Wrangler JL 2018-2021 / Gladiator JT 2020-2025 3.6L Auto
Mishimoto Silicone Radiator Hose Kit Red (F&R): Jeep Wrangler JL 2018-2021 / Gladiator JT 2020-2025 3.6L Auto
Mishimoto Silicone Radiator Hose Kit Red (F&R): Jeep Wrangler JL 2018-2021 / Gladiator JT 2020-2025 3.6L Auto
Mishimoto Full-Flow Thermal Bypass Valve Kit: Fits Challenger / Charger / 300 2012-2021 3.6L 8HP45/845RE
Mishimoto Full-Flow Thermal Bypass Valve Kit: Fits Challenger / Charger / 300 2012-2021 3.6L 8HP45/845RE
Mishimoto Transmission Thermal Bypass Valve Kit Billet Aluminum (REAR): Fits Chrysler/Dodge 2012-2021 3.6L
Mishimoto Transmission Thermal Bypass Valve Kit Billet Aluminum (REAR): Fits Chrysler/Dodge 2012-2021 3.6L
Mishimoto Transmission Cooler Thicker Core (FRONT): RAM 2500/3500 2019-2023 6.7L Cummins
Mishimoto Transmission Cooler Thicker Core (FRONT): RAM 2500/3500 2019-2023 6.7L Cummins

Mishimoto Transmission Cooler Thicker Core (FRONT): RAM 2500/3500 2019-2023 6.7L Cummins

Mishimoto

Regular price $583.00 $529.95 9% off

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Mishimoto Silicone Radiator Hose Kit Black (F&R): 11-23 Challenger / Charger R/T / 300C 5.7L
Mishimoto Silicone Radiator Hose Kit Black (F&R): 11-23 Challenger / Charger R/T / 300C 5.7L

Mishimoto Silicone Radiator Hose Kit Black (F&R): 11-23 Challenger / Charger R/T / 300C 5.7L

Mishimoto

Regular price $216.00 $195.95 9% off

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per 

Mishimoto Silicone Radiator Hose Kit Red (F&R): 11-23 Challenger / Charger R/T / 300C 5.7L
Mishimoto Silicone Radiator Hose Kit Red (F&R): 11-23 Challenger / Charger R/T / 300C 5.7L

Mishimoto Silicone Radiator Hose Kit Red (F&R): 11-23 Challenger / Charger R/T / 300C 5.7L

Mishimoto

Regular price $216.00 $195.95 9% off

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per 

Rancho RS9000XL Adjustable Rear Shock: Ram 1500 (2011-2018)
Bilstein B8 5100 Rear Shock (REAR): Jeep Gladiator (18-26) w/ 3-4.5" Rear Lift
Bilstein B8 5100 Rear Shock (REAR): Jeep Gladiator (18-26) w/ 3-4.5" Rear Lift

Bilstein B8 5100 Rear Shock (REAR): Jeep Gladiator (18-26) w/ 3-4.5" Rear Lift

Bilstein

Regular price $171.85 $123.00 28% off

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Corsa Exhaust Tips (Polished): Ram 5.7L 2500 2010 - 2013
Corsa Exhaust Tips (Polished): Ram 5.7L 2500 2010 - 2013
usa

Corsa Exhaust Tips (Polished): Ram 5.7L 2500 2010 - 2013

CORSA Performance

Regular price $372.99 $341.99 8% off

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DFC Rear Brake Rotor: Chrysler 300 (05-23)
DFC Rear Brake Rotor: Chrysler 300 (05-23)

DFC Rear Brake Rotor: Chrysler 300 (05-23)

DFC

$59.80

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per 

Stopping Power
Noise Level
Westin EXP Rear Sliding Window for EXP Truck Cap: Ram 1500 (2019-2024) - Silver

Westin EXP Rear Sliding Window for EXP Truck Cap: Ram 1500 (2019-2024) - Silver

Westin

Regular price $1,150.00 $919.99 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