USE COUPON CODE "SUMMER26"

Your cart

Your cart is empty

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.
SELECT YOUR VEHICLE

5906 Results

Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models
Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

LIQUI MOLY

$311.80

Unit price
per 

Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

Liqui Moly Top Tec 6200 Motor Oil: Fits Most Models

LIQUI MOLY

$297.95

Unit price
per 

EBC S5 Brake Pads & Rotors Kit (FRONT): Jeep Wrangler (18-25) & Gladiator (20-25) w/ 13.5" Rotors
EBC S5 Brake Pads & Rotors Kit (FRONT): Jeep Wrangler (18-25) & Gladiator (20-25) w/ 13.5" Rotors

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
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
MBRP Cat Back Exhaust (Polished Tips): Dodge Challenger 5.7L / 6.4L / 6.2L (15-23)
MBRP Cat Back Exhaust (Polished Tips): Dodge Challenger 5.7L / 6.4L / 6.2L (15-23)

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
per 

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2017 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2017 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,968.95 $1,749.95 11% off

Unit price
per 

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,968.95 $1,749.95 11% off

Unit price
per 

DiabloSport Modified PCM + i3 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)
DiabloSport Modified PCM + i3 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)

DiabloSport Modified PCM + i3 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)

Diablo Sport

Regular price $1,968.95 $1,749.95 11% off

Unit price
per 

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2017 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2017 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,968.95 $1,749.95 11% off

Unit price
per 

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,968.95 $1,749.95 11% off

Unit price
per 

usa

Access Aluminum Utility Rails: Dodge Ram 2500 / 3500 2019-2024 w/o RamBox - Matte Black

Access

Regular price $298.00 $268.20 10% off

Unit price
per 

Banks Ram-Air Diff Cover Kit Satin Black: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
Banks Ram-Air Diff Cover Kit Satin Black: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
usa

Banks Ram-Air Diff Cover Kit Satin Black: 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
per 

Banks Power Sway Bar Spacer Kit: RAM 2500/3500 2014-2024
Banks Power Sway Bar Spacer Kit: RAM 2500/3500 2014-2024
usa

Banks Power Sway Bar Spacer Kit: RAM 2500/3500 2014-2024

Banks Power

Regular price $43.33 $39.00 10% off

Unit price
per 

Brembo OE Prime Ceramic Slotted Rear Disc Brake Kit 350mm: Fits Challenger/Charger/Magnum/300 2005-2023 6.1/6.2/6.4L HEMI
AMP Research Black PowerStep Plug N Play: Ram 1500 / 2500 / 3500 2013-2016
AMP Research Black PowerStep Plug N Play: Ram 1500 / 2500 / 3500 2013-2016
Diablo Sport Pulsar Cat6: Fits Most Hemi Models

Diablo Sport Pulsar Cat6 Tuner: Fits Jeep / Ram 3.0 SST (23-26)

Diablo Sport

Regular price $806.95 $716.95 11% off

Unit price
per 

EBC S9 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010
EBC S9 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010

EBC S9 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010

EBC

Regular price $867.81 $824.42 5% off

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
EBC S9 Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)
EBC S9 Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)

EBC S9 Brake Pad and Rotor Kit (REAR): Chrysler 300 (05-23) / Dodge Challenger (09-23) / Charger (06-23) / Dodge Magnum (05-08)

EBC

Regular price $582.35 $553.23 5% off

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
EBC S5 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010
EBC S5 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010

EBC S5 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 2500 2009 - 2010

EBC

Regular price $867.81 $824.42 5% off

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
EBC S4 Brake Pads & Rotors Kit (REAR): 300, Challenger, Charger, Magnum 2005 - 2024 (3.5L & 3.6L V6 AWD ONLY)
EBC S4 Brake Pads & Rotors Kit (REAR): 300, Challenger, Charger, Magnum 2005 - 2024 (3.5L & 3.6L V6 AWD ONLY)

EBC S4 Brake Pads & Rotors Kit (REAR): 300, Challenger, Charger, Magnum 2005 - 2024 (3.5L & 3.6L V6 AWD ONLY)

EBC

Regular price $582.35 $553.23 5% off

Unit price
per 

Stopping Power
Performance Over Stock
Dust Levels
EBC S13 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 1500 2009 - 2010
EBC S13 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 1500 2009 - 2010

EBC S13 Brake Pads & Rotors Kit (FRONT): Dodge Ram 5.7L Hemi 1500 2009 - 2010

EBC

Regular price $670.10 $636.60 5% off

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Borla S-Type Turndown Tip Catback Exhaust: Jeep Grand Wagoneer 2023-2024
Borla S-Type Turndown Tip Catback Exhaust: Jeep Grand Wagoneer 2023-2024
usa

Borla S-Type Turndown Tip Catback Exhaust: Jeep Grand Wagoneer 2023-2024

Borla

Regular price $2,127.99 $1,899.99 11% off

Unit price
per 

MagnaFlow Filter-Back Performance Exhaust System: Ram 3500 2021
MagnaFlow Filter-Back Performance Exhaust System: Ram 3500 2021
usa
Mishimoto Thermal Bypass: Ram 2500 / Ram 3500 2019-2024
Mishimoto Thermal Bypass: Ram 2500 / Ram 3500 2019-2024

Mishimoto Thermal Bypass: Ram 2500 / Ram 3500 2019-2024

Mishimoto

Regular price $225.00 $204.95 9% off

Unit price
per 

Bilstein B8 5100 Rear Shock: Ram 3500 2013 - 2025 (w/ 2-3" Rear Lift w/ OUT Air Leveling Suspension)
Bilstein B8 5100 Rear Shock: Ram 3500 2013 - 2025 (w/ 2-3" Rear Lift w/ OUT Air Leveling Suspension)

Bilstein B8 5100 Rear Shock: Ram 3500 2013 - 2025 (w/ 2-3" Rear Lift w/ OUT Air Leveling Suspension)

Bilstein

Regular price $171.85 $123.00 28% off

Unit price
per 

Rock Slide Engineering Step Sliders: Multiple Jeep Fitments
usa

Rock Slide Engineering Step Sliders: Multiple Jeep Fitments

Rock Slide Engineering

$2,309.99

Unit price
per 

Kooks Headers 3" OEM Catted Mid Pipes EPS Sensor (F&R): Challenger/Charger/300C SRT8 2011-2014 6.4L 392 HEMI
Kooks Headers 3" OEM Catted Mid Pipes EPS Sensor (F&R): Challenger/Charger/300C SRT8 2011-2014 6.4L 392 HEMI
usa

Kooks Headers 3" OEM Catted Mid Pipes EPS Sensor (F&R): Challenger/Charger/300C SRT8 2011-2014 6.4L 392 HEMI

Kooks Headers

Regular price $1,319.74 $1,187.77 10% off

Unit price
per 

Lakewood Cast Aluminum Bellhousing Kit: Fits Mopar Gen III HEMI to GM T-56 / Magnum Transmissions
usa

Lakewood Cast Aluminum Bellhousing Kit: Fits Mopar Gen III HEMI to GM T-56 / Magnum Transmissions

Lakewood

Regular price $633.95 $562.95 11% off

Unit price
per 

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