Shop 6.4L Hemi
Superchips Amp'd 2.0 Wireless Pedal Controller: Ram 1500 (14-21) / 2500 (05-24) / 3500 (05-20)
Superchips
Regular price
$322.95
$286.95
11% off
- Unit price
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Manley Performance 6.200" Stock Length H-Beam Connecting Rod Set ARP 8740 (F&R): Chrysler 6.4L 392 / 6.2L HEMI
Manley Performance
Regular price
$884.87
$796.38
10% off
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Raxiom Axial Series LED Door Courtesy Lamps: Fits Most Dodge Challenger Models (2015-2023)
Raxiom
$14.99
- Unit price
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Raxiom Axial Series LED Side Marker Lights (F&R): Dodge Challenger (15-23) - Smoked
Raxiom
$84.99
- Unit price
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Raxiom Axial Series LED Third Brake Light (REAR): Fits Dodge / Ram (02-18) w/ Inline Switch - Red
Raxiom
$59.99
- Unit price
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Raxiom Axial Series LED Fog Lights w/ Halo: Fits Jeep Wrangler JK/JL / Gladiator (07-26)
Raxiom
$69.99
- Unit price
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Raxiom Axial Series LED Fog Lights (F&R): Jeep Wrangler / Gladiator (07-26)
Raxiom
$67.99
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Go Rhino Front Fender Jack Mount (FRONT): Jeep Wrangler / Gladiator (07-26) - Textured Black
Go Rhino
Regular price
$227.49
$174.99
23% off
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Raxiom Axial Series LED Third Brake Light (REAR): Fits Dodge / Ram (02-18)
Raxiom
$48.99
- Unit price
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Raxiom Axial Series LED Fog Lights (FRONT): Fits Most Jeep Wrangler JK/JL Models (2007-2026)
Raxiom
$114.99
- Unit price
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Go Rhino VoltStep Electric Running Board Kit (4DR): Jeep Wrangler (07-26)
Go Rhino
Regular price
$1,689.99
$1,299.99
23% off
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Method Wheels 305 / NV / Machined - Matte Black Lip | 17x8.5 | 6x5.5 | 25/5.7"
Method Wheels
$315.00
- Unit price
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Liqui Moly Special Tec LL Motor Oil: Fits Most Chrysler / Dodge / Jeep Models
LIQUI MOLY
$331.80
- Unit price
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Hellwig 1.25" Big Wig Rear Sway Bar Adjustable: RAM 2500 2014-2022
Hellwig
Regular price
$903.07
$632.18
30% off
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Banks Ram-Air Diff Cover Kit Black Ops: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
Banks Power
Regular price
$472.22
$425.00
10% off
- Unit price
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MagnaFlow Cat-Back Exhaust: Dodge Ram 2014 - 2018 6.4L 2500 / 3500
Magnaflow
$1,342.00
- Unit price
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Go Rhino Stake Pocket Bed Rails - Black: Fits Most Dodge / Ram Models (1994-2026)
Go Rhino
Regular price
$168.99
$129.99
23% off
- Unit price
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Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 2019-2024
Diablo Sport
Regular price
$1,743.95
$1,549.95
11% off
- Unit price
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Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 15-18
Diablo Sport
Regular price
$1,743.95
$1,549.95
11% off
- Unit price
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PowerStop Z26 Street Warrior D&S Brake Kit (F&R): Dodge Challenger / Charger (15-20) w/ Hardware
PowerStop
$873.29
- Unit price
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PowerStop Z26 Street Warrior Ceramic Brake Kit (F&R): Dodge Challenger / Charger (15-20)
PowerStop
$2,220.56
- Unit price
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AFE Carbon Cabin Air Filter: Jeep Gladiator (2020-2025) / Wrangler (2018-2025) 3.6L V6
aFe
$23.00
- Unit price
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aFe Magnum FLOW OE Air Filter: Dodge Challenger / Charger 5.7L (11-23) w/ Shaker Hood
aFe
$94.00
- Unit price
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PPE MicroPure Spin-On Transmission Fluid Filter: Ram 2007-2024 65RFE/66RFE/68RFE
PPE
$19.99
- Unit price
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Truxedo Pro X15 TS Soft Roll-Up Tonneau Cover: Fits Dodge / Ram (02-26) 6'4" Bed - Black
Truxedo
$649.99
- Unit price
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SuperPro Front Upper Forward Control Arm Bushing Kit (FRONT): Jeep Wrangler / Gladiator (07-24)
Superpro
$94.99
- Unit price
- /per
Liqui Moly High Tech Motor Oil: Fits Most Chrysler / Dodge / Jeep / Ram Models
LIQUI MOLY
$339.80
- Unit price
- /per
Liqui Moly Synthoil Energy A40 Motor Oil: Fits Most Chrysler / Dodge / Jeep / Ram Models
LIQUI MOLY
$383.80
- Unit price
- /per
LIQUI MOLY Brake Fluid DOT 5.1: Fits BMW / Chrysler / Dodge / Jeep / Ram (94-26)
LIQUI MOLY
$238.80
- Unit price
- /per
Liqui Moly Fully Synthetic Hypoid Gear Oil SAE 75W140: Fits Most Chrysler / Dodge / Jeep / Ram Models
LIQUI MOLY
$257.70
- Unit price
- /per
EBC S5 Brake Pads & Rotors Kit (FRONT): Jeep Wrangler (18-25) & Gladiator (20-25) w/ 13.5" Rotors
EBC
Regular price
$590.75
$561.21
5% off
- Unit price
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MBRP Cat Back Exhaust (Polished Tips): Dodge Challenger 5.7L / 6.4L / 6.2L (15-23)
MBRP
Regular price
$969.69
$784.99
19% off
- Unit price
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Rugged Ridge Black Elite Headlight Guards: Fits Jeep Wrangler JL / Gladiator JT (18-26)
Rugged Ridge
$84.99
- Unit price
- /per
WeatherTech FloorLiner Front & Rear Floor Mats (Black): Ram 2500 & 3500 2019 - 2025 (w/ PTO)
WeatherTech
$255.90
- 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.