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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

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Durango 2018 (5.7L Hemi & 6.4L SRT)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Durango 2018 (5.7L Hemi & 6.4L SRT)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Durango 2018 (5.7L Hemi & 6.4L SRT)

Diablo Sport

Regular price $2,249.95 $1,999.95 11% off

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Wehrli Grey Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18)
Wehrli Grey Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18)
usa

Wehrli Grey Rear Diff Cover (REAR): Dodge Ram 2500 / 3500 (03-18)

Wehrli

Regular price $414.00 $401.58 3% off

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Wilwood AERO6-DM Front Brake Kit Slotted Rotors Black Calipers (FRONT): Jeep Wrangler JL 2018-2024 / Gladiator JT 2020-2024
usa

Wilwood AERO6-DM Front Brake Kit Slotted Rotors Black Calipers (FRONT): Jeep Wrangler JL 2018-2024 / Gladiator JT 2020-2024

Wilwood

Regular price $1,966.26 $1,755.59 11% off

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Stopping Power
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Wilwood AERO6-DM Front Brake Kit D&S Rotors Black Calipers (FRONT): Jeep Wrangler JL 2018-2024 / Gladiator JT 2020-2024
usa

Wilwood AERO6-DM Front Brake Kit D&S Rotors Black Calipers (FRONT): Jeep Wrangler JL 2018-2024 / Gladiator JT 2020-2024

Wilwood

Regular price $1,966.26 $1,755.59 11% off

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per 

Stopping Power
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Fast Hemis One-Click Stage 1 Kit: 2011-2018 Ram 2500 6.4L 392 (+46HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2018 Ram 3500 6.4L 392 (+46HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2011-2018 Ram 2500 6.4L 392 (+46HP)

FastHemis

Regular price from $1,000.30 Up to 18% off

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2 filter types
  • Pro Dry-S Filter
  • Pro 5R Filter
Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 2500 6.4L 392 (+48HP)
Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 3500 6.4L 392 (+48HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 2500 6.4L 392 (+48HP)

FastHemis

Regular price from $1,000.30 Up to 18% off

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per 

2 filter types
  • Pro 5R (Oiled)
  • Pro Dry-S (Non Oiled)
Fast Hemis One-Click Stage 1 Kit: 2011-2018 Ram 3500 6.4L 392 (+46HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2018 Ram 3500 6.4L 392 (+46HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2011-2018 Ram 3500 6.4L 392 (+46HP)

FastHemis

Regular price from $1,000.30 Up to 18% off

Unit price
per 

2 filter types
  • Pro Dry-S Filter
  • Pro 5R Filter
Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 3500 6.4L 392 (+48HP)
Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 3500 6.4L 392 (+48HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 3500 6.4L 392 (+48HP)

FastHemis

Regular price from $1,000.30 Up to 18% off

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per 

2 filter types
  • Pro 5R (Oiled)
  • Pro Dry-S (Non Oiled)
Manley H Tuff Rod Set .927in Pin w/ ARP2000 Bolts: Chrysler 300 / Dodge Ram 1500 (03-14)
Manley H Tuff Rod Set .927in Pin w/ ARP2000 Bolts: Chrysler 300 / Dodge Ram 1500 (03-14)
usa

Manley H Tuff Rod Set .927in Pin w/ ARP2000 Bolts: Chrysler 300 / Dodge Ram 1500 (03-14)

Manley Performance

Regular price $1,145.61 $1,031.05 10% off

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Manley Perf ARP 2000 6.2in 24mm H-Beam Rod Set of 8: Chrysler 300 / Dodge Challenger / Ram (02-23)
Manley Perf ARP 2000 6.2in 24mm H-Beam Rod Set of 8: Chrysler 300 / Dodge Challenger / Ram (02-23)
usa

Manley Perf ARP 2000 6.2in 24mm H-Beam Rod Set of 8: Chrysler 300 / Dodge Challenger / Ram (02-23)

Manley Performance

Regular price $1,003.31 $902.98 10% off

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PowerStop Z36 Truck & Tow Kit (REAR): Fits Dodge / Ram (02-18) w/ Calipers
PowerStop Z36 Truck & Tow Kit (REAR): Fits Dodge / Ram (02-18) w/ Calipers

PowerStop Z36 Truck & Tow Kit (REAR): Fits Dodge / Ram (02-18) w/ Calipers

PowerStop

$819.32

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Flowmaster Outlaw Axle-Back Exhaust System: Jeep Wrangler 2018-2026
Flowmaster Outlaw Axle-Back Exhaust System: Jeep Wrangler 2018-2026
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Flowmaster Outlaw Axle-Back Exhaust System: Jeep Wrangler 2018-2026

Flowmaster

Regular price $787.95 $628.95 20% off

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Manley Performance Race Master Intake Race Flo Valves (Set of 8): Chrysler 300 / Dodge Challenger / Charger 2012-2014
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Manley Race Flo 2.180" Bead Loc Groove Intake Valve Set: Fits Chrysler 2011-2024 6.4L 392 HEMI

Manley Performance

Regular price $270.06 $202.55 25% off

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usa
Manley Performance Chrysler Hemi 6.4L Pistons: +.010 Over Size 1.210 Comp Set of 8
Manley Performance Chrysler Hemi 6.4L Pistons: +.010 Over Size 1.210 Comp Set of 8
usa

Manley Performance Chrysler Hemi 6.4L Pistons: +.010 Over Size 1.210 Comp Set of 8

Manley Performance

Regular price $1,006.11 $855.19 15% 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
Bilstein B8 5100 Steering Damper: Jeep Wrangler (18-25) & Gladiator (20-25)
Bilstein B8 5100 Steering Damper: Jeep Wrangler (18-25) & Gladiator (20-25)

Bilstein B8 5100 Steering Damper: Jeep Wrangler (18-25) & Gladiator (20-25)

Bilstein

Regular price $168.85 $121.00 28% off

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DBA 4000 Series Cross Drilled & Dimpled Rear Rotor (REAR): Jeep Grand Cherokee (2011-2026)
DBA 4000 Series Cross Drilled & Dimpled Rear Rotor (REAR): Jeep Grand Cherokee (2011-2026)

DBA 4000 Series Cross Drilled & Dimpled Rear Rotor (REAR): Jeep Grand Cherokee (2011-2026)

DBA

Regular price $401.80 $339.98 15% off

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DBA XP Rear Brake Pads (REAR): Fits Challenger / Charger / Magnum / 300C / Grand Cherokee / Durango 2005-25 6.1/6.2/6.4L
DBA XP Rear Brake Pads (REAR): Fits Challenger / Charger / Magnum / 300C / Grand Cherokee / Durango 2005-25 6.1/6.2/6.4L

DBA XP Rear Brake Pads (REAR): Fits Challenger / Charger / Magnum / 300C / Grand Cherokee / Durango 2005-25 6.1/6.2/6.4L

DBA

Regular price $161.36 $136.54 15% off

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DBA 5000 Series Standard Ring Front Brake Rotor: Chrysler 300 (2015-2024) w/ 6 Piston Brembo Caliper
DBA 5000 Series Standard Ring Front Brake Rotor: Chrysler 300 (2015-2024) w/ 6 Piston Brembo Caliper
DBA Street Series Slotted Rotor (FRONT): Dodge Durango (11-20) w/ 350mm Front Disc
DBA Street Series Slotted Rotor (FRONT): Dodge Durango (11-20) w/ 350mm Front Disc

DBA Street Series Slotted Rotor (FRONT): Dodge Durango (11-20) w/ 350mm Front Disc

DBA

Regular price $313.63 $265.38 15% off

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Method Wheels 315 / Polished -  Gloss Black Lip | 17x8.5 | 6x5.5 | 0/4.75"
Method Wheels 315 / Polished -  Gloss Black Lip | 17x8.5 | 6x5.5 | 0/4.75"
Method Wheels 703 / Method Bronze® | 17x8.5 | 5x5 | 25/5.78"
Method Wheels 703 / Method Bronze® | 17x8.5 | 5x5 | 25/5.78"

Method Wheels 703 / Method Bronze® | 17x8.5 | 5x5 | 25/5.78"

Method Wheels

$366.00

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per 

PowerStop Z36 Truck & Tow Brake Kit (REAR): Ram 3500 2019 - 2022
PowerStop Z36 Truck & Tow Brake Kit (REAR): Ram 3500 2019 - 2022

PowerStop Z36 Truck & Tow Brake Kit (REAR): Ram 3500 2019 - 2022

PowerStop

$601.39

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per 

Stopping Power
Noise Level
Performance Over Stock
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PowerStop Truck & Tow Brake Kit (REAR): Ram 3500 2013 - 2018
PowerStop Truck & Tow Brake Kit (REAR): Ram 3500 2013 - 2018

PowerStop Truck & Tow Brake Kit (REAR): Ram 3500 2013 - 2018

PowerStop

$576.83

Unit price
per 

Stopping Power
Performance Over Stock
Dust Levels
PowerStop Z36 Truck & Tow Brake Kit (FRONT): Ram 2500 / 3500 2019 - 2022
PowerStop Z36 Truck & Tow Brake Kit (FRONT): Ram 2500 / 3500 2019 - 2022

PowerStop Z36 Truck & Tow Brake Kit (FRONT): Ram 2500 / 3500 2019 - 2022

PowerStop

$534.36

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
PowerStop Evolution Drilled & Slotted Rotor (FRONT LEFT): Jeep Grand Cherokee 2011-2021

PowerStop Evolution Drilled & Slotted Rotor (FRONT LEFT): Jeep Grand Cherokee 2011-2021

PowerStop

$190.04

Unit price
per 

Stopping Power
Performance Over Stock

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