Shop 6.4L Hemi
3D MAXpider ACE Elegant 3-Row Floormats: Dodge Durango 2011-26 7-Seat - Black
3D MAXpider
Regular price
$395.82
$374.99
5% off
- Unit price
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EBC Yellowstuff Front Brake Pads (FRONT): Fits Grand Wagoneer / Wagoneer / RAM 1500 / TRX 2019-24
EBC
Regular price
$205.59
$195.31
5% off
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EBC Ultimax Slotted Front Rotors (FRONT): Jeep Grand Cherokee 2011-21 6.4L SRT / Dodge Durango 2018-25 6.2L Hellcat
EBC
Regular price
$371.27
$352.71
5% off
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AlphaRex NOVA LED Projector Headlights (Black): Dodge Charger 2015 - 2013
AlphaRex
Regular price from $1,495.00 Up to 9% off
- Unit price
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3D MAXpider ACE Kagu Front Floormats (Black): Chrysler 300 (11-24) / Dodge Charger (11-23) AWD Only
3D MAXpider
Regular price
$131.94
$124.99
5% off
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MBRP Street Series Cat-Back 3" Dual Split Rear Exhaust (Aluminized): Dodge Challenger 6.4L 392 & 6.2L SRT Hellcat 2015 - 2023
MBRP
Regular price
$1,087.05
$879.99
19% off
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WeatherTech Front & Rear Floorliners Black: Jeep Wrangler Unlimited JL 2018-2026
WeatherTech
$210.90
- Unit price
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BMR Sway Bar End Links (Front & Rear): Dodge Challenger 2008 - 2023 (All Models)
BMR Suspension
$319.95
- Unit price
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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2018 (5.7L Hemi & 6.4L 392)
Diablo Sport
Regular price
$1,856.95
$1,649.95
11% off
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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2018 (5.7L Hemi & 6.4L SRT / Scat Pack)
Diablo Sport
Regular price
$1,968.95
$1,749.95
11% off
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DiabloSport Modified PCM (Unlocked): Jeep Grand Cherokee 2016 (5.7L Hemi & 6.4L SRT)
Diablo Sport
Regular price
$1,267.95
$1,126.95
11% off
- Unit price
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DiabloSport Modified PCM (Unlocked): Dodge Challenger 2017 (5.7L Hemi / 6.4L SRT)
Diablo Sport
Regular price
$1,383.95
$1,229.95
11% off
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Eibach 35mm Front Sway Bar: Dodge Challenger RWD 2008 - 2023 (All Models)
Eibach
Regular price
$332.22
$299.00
10% off
- Unit price
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AFE Momentum GT Carbon Fiber Cold Air Intake (w/ Pro Dry-S): Dodge Durango / Jeep Grand Cherokee 6.4L SRT 2012 - 2024
aFe
$1,329.00
- Unit price
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BBK Performance Shorty Headers (Titanium Ceramic Finish): 300 / Challenger / Charger 6.4L SRT & ScatPack 2011 - 2023
BBK
Regular price
$559.99
$499.99
11% off
- Unit price
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King Engine Bearings Chrysler/Dodge Gen Iii Hemi 5.7/6.1/6.4 (Size +0.25mm) Main Bearing Set
King Engine Bearings
$33.05
- Unit price
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Comp Cams Stage 2 HRT 220/230 Max Power Hydraulic Roller Camshaft: 5.7L Hemi / 6.4L 2009 - 2023
COMP Cams
$605.95
- Unit price
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AlphaRex PRO Projector Headlights (Chrome): Dodge Ram 2009 - 2018 (1500, 2500 & 3500)
AlphaRex
from $472.21
- Unit price
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AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018
AlphaRex
Regular price from $262.68 1% off
- Unit price
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aFe Momentum GT Cold Air Intake (FRONT): Ram 2500 / 3500 6.4L 392 (19-25)
aFe
from $420.00
- Unit price
- /per
2 filter types
GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2015 - 2023
GT Styling
Regular price from $79.76 35% off
- Unit price
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GT Styling Smoke Tail Light Covers: Dodge Challenger 2015 - 2023
GT Styling
Regular price from $79.75 35% off
- Unit price
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GT Styling Smoke Tail Light Covers: Dodge Charger 2011 - 2014
GT Styling
Regular price from $81.30 35% off
- Unit price
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GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2008 - 2014
GT Styling
Regular price from $79.75 35% off
- Unit price
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American Car Craft Brushed Center Dash Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft
Regular price
$148.95
$138.95
7% off
- Unit price
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Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025
Grams Performance
Regular price from $149.99 Up to 5% off
- Unit price
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Anderson Composites Type-OE Carbon Fiber Deck Lid (REAR): Dodge Challenger 2008-2023
Anderson Composites
Regular price from $1,349.10 Up to 10% off
- Unit price
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Eibach Rear Damper: Fits Most Dodge / Chrysler / Jeep Models (2011-2026)
Eibach
Regular price
$176.67
$159.00
10% off
- Unit price
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aFe Momentum GT Dynamic Air Scoop (R/T Scat Pack) (15-23): Dodge Challenger 6.4L
aFe
$54.00
- Unit price
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Snow Performance Stage 2 Boost Cooler Water-Methanol Injection Kit: Fits most Hemi 5.7 / 6.1 / 6.4L
Snow Performance
Regular price
$1,312.51
$937.51
29% off
- Unit price
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Fel-Pro Engine Coolant Thermostat Housing Gasket: Fits Most Dodge / Ram 1500 Models (2006-2024)
Fel-Pro
$20.24
- Unit price
- /per
Mishimoto CNC Aluminum Heater Supply and Return Hose Fitting Set: Dodge Durango (2011-2026)
Mishimoto
Regular price
$104.00
$94.95
9% off
- Unit price
- /per
Bully Dog Thruster Throttle Booster: Jeep Wrangler (18-22) / Gladiator (20-22) / Ram 1500 (19-22)
Bully Dog
$135.00
- Unit price
- /per
Granatelli 160 Degree Thermostat & Gasket: Dodge/Ram/Durango/Chrysler/Jeep 2003-2024 5.7-6.4L HEMI
Granatelli Motor Sports
Regular price
$52.50
$49.88
5% off
- Unit price
- /per
Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024
Westin
Regular price
$1,147.50
$917.99
20% off
- Unit price
- /per
SPC Performance Cam Kit: Dodge Durango (11-24) / Jeep Grand Cherokee (11-22)
SPC Performance
$31.04
- Unit price
- /per
SPC Performance Cam Bracket Kit: Jeep Grand Cherokee (12-22) / Dodge Durango (16-24)
SPC Performance
$82.76
- 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.