Shop 6.4L Hemi
Eibach Rear Camber Kit (Bushings): 300C / Challenger / Charger / Magnum 2WD 2005 - 2023
Eibach
Regular price
$154.44
$139.00
10% off
- Unit price
- /per
DeatschWerks DW400 Drop-In Fuel Pump Module: 300, Challenger, Charger, Magnum 2005 - 2021 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$529.00
- Unit price
- /per
Ripp 180 Degree Thermostat: Fits Most Chrysler / Dodge / Jeep / Ram V8 HEMI Models (2002-2026)
Ripp
$49.95
- Unit price
- /per
Stainless Works 1-7/8" Long Tube Headers w/ Catted Mid Pipes (F&R): Fits Chrysler 300 / Dodge Charger / Magnum / Challenger 06-23 5.7L-6.4L HEMI
Stainless Works
Regular price
$1,799.00
$1,709.05
5% off
- Unit price
- /per
BMR Rear Upper Control Arms (On-Car Adj, Black): 300 / Challenger / Charger (05-24)
BMR Suspension
$329.95
- Unit price
- /per
BBK Performance 85MM Hemi Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.4L 392 2013 - 2024
BBK
Regular price
$579.99
$529.99
9% off
- Unit price
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American Brother Designs PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023
American Brother Designs
Regular price
$154.50
$108.00
30% off
- Unit price
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Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023
Fuel Injector Clinic
Regular price
$914.40
$762.00
17% off
- Unit price
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Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023
Fuel Injector Clinic
Regular price
$718.80
$599.00
17% off
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Amerihood Hellcat Functional Ram Air Hood: Chrysler 300 2011 - 2024
Amerihood
Regular price
$600.00
$534.00
11% off
- Unit price
- /per
Granatelli 180° Thermostat & Gasket: Fits HEMI 2003-2024 5.7/6.1/6.2/6.4L
Granatelli Motor Sports
Regular price
$52.50
$49.88
5% off
- Unit price
- /per
American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs
Regular price
$109.00
$59.00
46% off
- Unit price
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American Brother Designs Strut Tower Covers (Fits Mopar Brace): 300 / Challenger / Charger / Magnum 2005 - 2023
American Brother Designs
Regular price
$242.50
$189.00
22% off
- Unit price
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American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs
Regular price
$76.00
$56.00
26% off
- Unit price
- /per
E3 Spark Plugs: Chrysler 300 / Dodge Challenger / Charger 6.4L 392 2011 - 2023
E3
Regular price
$12.00
$6.99
42% off
- Unit price
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Mishimoto Aluminum Radiator: 300 / Challenger / Charger / Magnum 6.1L & 6.4L SRT8 / SRT / Scat Pack 2006 - 2023
Mishimoto
Regular price
$909.00
$825.95
9% off
- Unit price
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K&N Catch Can Oil Separator (F&R): Fits Challenger / Charger / 300 / Jeep Grand Cherokee SRT8 2011-2021 w/ 6.4L HEMI
K&N Engineering
$157.99
- Unit price
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American Brother Designs ANGRY BEE Exterior Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs
Regular price
$172.00
$50.00
71% off
- Unit price
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Superior Automotive Hemi Valve Spring Tool: Chrysler, Dodge & Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat 2003 - 2023
Superior Automotive Engineering
Regular price
$299.99
$195.00
35% off
- Unit price
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AirAid Throttle Body Spacer: Fits Dodge / Jeep / Chrysler (05-26) 5.7L Hemi 6.1L 6.4L - Black
AirAid
$157.99
- Unit price
- /per
HPS Silicone Radiator Hose Kit: Dodge Challenger / Charger 6.4L 392 2015 - 2023
HPS
Regular price from $390.00 Up to 13% off
- Unit price
- /per
3 colors
American Brother Designs Coil Pack Covers (Set of 2): 300, Challenger, Charger 2011 - 2023 (5.7L Hemi & 6.4L 392)
American Brother Designs
Regular price
$325.00
$275.00
15% off
- Unit price
- /per
Bilstein B6 Perf Monotube Shock Absorber Yellow Paint (FRONT): Fits Challenger / Charger / 300 2011-2023 RWD
Bilstein
Regular price
$219.00
$147.00
33% off
- Unit price
- /per
NGK Laser Platinum Spark Plugs (OEM Heat Range): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
NGK
$41.96
- Unit price
- /per
Procharger Fuel Pump Kit: Challenger / Charger / 300 5.7L Hemi & 6.4L 392 2011 - 2023
ProCharger
Regular price
$605.21
$523.79
13% off
- Unit price
- /per
DiabloSport Predator 2 Tuner: 300 / Challenger / Charger / Magnum 2005 - 2018 (V6, Hemi, SRT, ScatPack & Hellcat)
Diablo Sport
Regular price
$532.95
$369.00
31% off
- Unit price
- /per
SPC Adjustable Rear Camber Kit: Chrysler 300 / Dodge Charger / Magnum AWD 2005 - 2023
SPC Performance
$69.69
- Unit price
- /per
ARP Flywheel Bolt Kit: Dodge Challenger V8 2008 - 2023 (5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat)
ARP
$52.28
- Unit price
- /per
DiabloSport Modified PCM + i3 Programmer Combo: 2009+ Charger/Challenger/300 5.7L Hemi
Diablo Sport
from Free
Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
Kooks Headers
Regular price
$75.80
$68.22
10% off
- Unit price
- /per
BMR Rear Upper Control Arms (On-Car Adj, Red): 300 / Challenger / Charger / Magnum (05-24)
BMR Suspension
$329.95
- Unit price
- /per
American Brother Designs Baffle Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023
American Brother Designs
Regular price
$175.50
$99.00
44% off
- Unit price
- /per
SPC Performance Adjustable Rear Camber Kit (REAR): Dodge Challenger (08-23)
SPC Performance
$69.69
- Unit price
- /per
SPC Adjustable Front Camber / Alignment Kit: Dodge Challenger RWD 2009 - 2023
SPC Performance
$269.95
- Unit price
- /per
AWE Touring Edition Catback Exhaust Chrome Silver Tips (REAR): Durango SRT 392 6.4L 2018-24 / Hellcat 6.2L 2021-25
AWE Tuning
Regular price
$2,205.26
$2,095.00
5% off
- Unit price
- /per
American Brother Designs Aluminum Hood Prop: 300, Challenger, Charger & Magnum 2005 - 2024
American Brother Designs
Regular price
$139.00
$89.00
36% off
- Unit price
- /per
CFR Performance Hellcat Gen 3 MAP Sensor Block-Off Plate: Fits 6.2L Hellcat
CFR Performance
$23.54
- Unit price
- /per
American Racing Headers: Jeep Grand Cherokee 6.4L SRT & 6.2L Trackhawk 2012 - 2021
American Racing Headers
Regular price from $1,980.73 Up to 13% off
- Unit price
- /per
BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Jeep Vehicles 2003 - 2023 (Excl 2019+ Ram)
BBK
Regular price
$89.99
$69.99
22% off
- Unit price
- /per
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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.