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Shop Gen III Hemi Performance Parts The Gen III Hemi engine family, including the 5.7L, 6.1L, 6.2L, and 6.4L variants, is renowned for its blend of power, durability, and upgrade potential. These engines offer a versatile platform that supports everything from reliable daily driving to high-performance builds. Whether you’re looking to maintain your classic 5.7L or push your 6.4L 392 Hemi to new heights, the Gen III Hemi delivers a strong foundation with forged internals and advanced engineering. At FastHemis, you’ll find a wide selection of parts tailored to the Gen III Hemi platform, including bolt-on upgrades, supercharger kits, intake and exhaust components, and tuning solutions. These parts are designed to enhance power output, improve reliability, and prepare your engine for boost or track use. Key upgrade options for your Gen III Hemi: - Supercharger and forced induction kits - Cold air intakes and throttle body upgrades - Exhaust headers and cat-back systems - Engine management and tuning tools - Supporting mods for durability and performance Shop Gen III Hemi upgrades at FastHemis.
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10498 Results

Baer 14" Pro+ Front Big Brake Kit: 300 / Challenger / Charger 2012 - 2024 (Excl. SRT)
Baer 14" Pro+ Front Big Brake Kit: 300 / Challenger / Charger 2012 - 2024 (Excl. SRT)
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Baer 14" Pro+ Front Big Brake Kit: 300 / Challenger / Charger 2012 - 2023 (Excl. SRT)

Baer
5.0 (2)

Regular price from $2,335.00 9% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Mishimoto Silicone Radiator Hoses Kit: 300 / Challenger / Charger / Magnum 5.7L Hemi 2005 - 2010
Mishimoto Silicone Radiator Hoses Kit: 300 / Challenger / Charger / Magnum 5.7L Hemi 2005 - 2010

Mishimoto Silicone Radiator Hoses Kit: 300 / Challenger / Charger / Magnum 5.7L Hemi 2005 - 2010

Mishimoto

Regular price from $179.95 Up to 9% off

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3 colors
American Car Craft "392" Polished Fuel Rail Covers (CARBON FIBER): 300 / Challenger / Charger 6.4L 392 2011 - 2024
American Car Craft "392" Polished Fuel Rail Covers (CARBON FIBER): 300 / Challenger / Charger 6.4L 392 2011 - 2024
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American Car Craft "392" Polished Fuel Rail Covers (CARBON FIBER): 300 / Challenger / Charger 6.4L 392 2011 - 2023

American Car Craft

Regular price $393.95 $366.95 7% off

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American Racing Headers: Chrysler 300 / Dodge Charger 6.4L 392 2015 - 2024
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American Racing Headers: Chrysler 300 / Dodge Charger 6.4L 392 2015 - 2024

American Racing Headers

Regular price from $1,927.74 Up to 9% off

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Cometic MLS Head Gaskets (4.100" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
Cometic MLS Head Gaskets (4.100" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
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Cometic MLS Head Gaskets (4.100" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025

Cometic Gasket

Regular price from $96.54 Up to 36% off

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American Racing Headers: Dodge Ram 5.7L Hemi 1500 2006 - 2008
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American Racing Headers: Dodge Ram 5.7L Hemi 1500 2006 - 2008

American Racing Headers

Regular price from $2,099.96 Up to 13% off

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Stainless Works Long Tube Headers and Mid Pipes: Dodge Ram 1500 / Ram 1500 / Ram 2500 / Ram 3500
Stainless Works Long Tube Headers and Mid Pipes: Dodge Ram 1500 / Ram 1500 / Ram 2500 / Ram 3500
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Stainless Works Long Tube Headers & Mid Pipes: Dodge Ram 5.7L Hemi 1500 2009 - 2018 (1500)

Stainless Works
5.0 (1)

Regular price from $2,560.25 Up to 5% off

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Kooks Long Tube Headers & Mid Pipes: 300C / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2024
Kooks Long Tube Headers & Mid Pipes: 300C / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2024
usa
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport
5.0 (1)

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

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + Trinity 2 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

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MBRP Exhaust Tips (Black): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat
MBRP Exhaust Tips (Black): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat

MBRP Exhaust Tips (Black): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat

MBRP

Regular price $370.58 $299.99 19% off

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JBA Shorty Headers (Silver Ceramic): 300 / Challenger / Charger 5.7L Hemi 2009 - 2024
JBA Shorty Headers (Silver Ceramic): 300 / Challenger / Charger 5.7L Hemi 2009 - 2024

JBA Shorty Headers (Silver Ceramic): 300 / Challenger / Charger 5.7L Hemi 2009 - 2024

JBA

Regular price $968.75 $880.68 9% off

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RIPP Crank Pin Kit: 5.7L / 6.1L / 6.4L HEMI V8 Engines
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2021 (5.7L Hemi 1500 8-Speed, eTorque)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2021 (5.7L Hemi 1500 8-Speed, eTorque)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Ram 2021 (5.7L Hemi 1500 8-Speed, eTorque)

Diablo Sport

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

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2022 (5.7L Hemi 1500 8-Speed, eTorque)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2022 (5.7L Hemi 1500 8-Speed, eTorque)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Ram 2022 (5.7L Hemi 1500 8-Speed, eTorque)

Diablo Sport

Regular price $1,799.95 $1,599.95 11% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2022 (5.7L Hemi 1500 8-Speed, NON eTorque)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2022 (5.7L Hemi 1500 8-Speed, NON eTorque)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Ram 2022 (5.7L Hemi 1500 8-Speed, NON eTorque)

Diablo Sport
5.0 (1)

Regular price $1,687.95 $1,499.95 11% off

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Energy Suspension Rear Diff Mount Bushing Set: 300 / Challenger / Charger / Magnum 2005 - 2010
Energy Suspension Rear Diff Mount Bushing Set: 300 / Challenger / Charger / Magnum 2005 - 2010
usa

Energy Suspension Rear Diff Mount Bushing Set: 300 / Challenger / Charger / Magnum 2005 - 2010

Energy Suspension

Regular price $128.89 $85.93 33% off

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2 colors
  • Black
  • Red
Borla S-Type True Dual Cat-Back Exhaust System: Jeep Grand Cherokee (11-26) w/ Factory Valance Tips
usa

Borla S-Type True Dual Cat-Back Exhaust System: Jeep Grand Cherokee (11-26) w/ Factory Valance Tips

Borla
5.0 (1)

Regular price $1,948.99 $1,739.99 11% off

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AWE Touring Cat-Back Exhaust (w/ OEM Tips): Dodge Challenger (15-23) 6.4L 392 & 6.2L Hellcat
AWE Touring Cat-Back Exhaust (w/ OEM Tips): Dodge Challenger (15-23) 6.4L 392 & 6.2L Hellcat
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AWE Touring Cat-Back Exhaust (w/ OEM Tips): Dodge Challenger (15-23) 6.4L 392 & 6.2L Hellcat

AWE Tuning

Regular price $1,815.79 $1,725.00 5% off

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Brembo OE PRIME UV Coated Front Disc Brake Kit 330mm (FRONT): Jeep Grand Cherokee / Durango 2011-2020 3.6L/5.7L

Brembo OE PRIME UV Coated Front Disc Brake Kit 330mm (FRONT): Jeep Grand Cherokee / Durango 2011-2020 3.6L/5.7L

Brembo OE

$332.85

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Stopping Power
Performance Over Stock
JBA Shorty Headers (Raw Finish): Ram 5.7L Hemi 1500 2019 - 2024
JBA Shorty Headers (Raw Finish): Ram 5.7L Hemi 1500 2019 - 2024

JBA Shorty Headers (Raw Finish): Ram 5.7L Hemi 1500 2019 - 2024

JBA

Regular price $1,039.39 $944.90 9% off

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DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014
DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

Diablo Sport

Regular price $535.95 $475.95 11% off

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Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling
Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling

Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling

Bilstein

Regular price $136.85 $92.00 33% off

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AWE Touring Edition Cat-Back Exhaust (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
AWE Touring Edition Cat-Back Exhaust (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
usa

AWE Touring Edition Cat-Back Exhaust (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021

AWE Tuning

Regular price $2,152.63 $2,045.00 5% off

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per 

Granatelli Xtreme Ignition Coil Packs: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L (02-26)
Granatelli Xtreme Ignition Coil Packs: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L (02-26)
usa

Granatelli Xtreme Ignition Coil Packs: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L (02-26)

Granatelli Motor Sports

Regular price $889.72 $845.23 5% off

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per 

Bilstein B6 4600 Front Shock (FRONT): Jeep Grand Cherokee (05-10) w/ OEM Ride Height
Bilstein B6 4600 Front Shock (FRONT): Jeep Grand Cherokee (05-10) w/ OEM Ride Height

Bilstein B6 4600 Front Shock (FRONT): Jeep Grand Cherokee (05-10) w/ OEM Ride Height

Bilstein

Regular price $182.85 $123.00 33% off

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per 

Borla ATAK Cat-Back Exhaust System (Reuses OEM Tips): Dodge Durango 6.2L Hellcat 2021 - 2025
Borla ATAK Cat-Back Exhaust System (Reuses OEM Tips): Dodge Durango 6.2L Hellcat 2021 - 2025
usa

Borla ATAK Cat-Back Exhaust System (Reuses OEM Tips): Dodge Durango 6.2L Hellcat 2021 - 2025

Borla

Regular price $2,439.99 $2,177.99 11% off

Unit price
per 

NOS Sniper Plate Wet Nitrous Kit: 300 / Charger / Challenger / Magnum 5.7L Hemi & 6.1L SRT8 2005 - 2024
JBA Shorty Headers (Raw Finish): 300 / Charger / Magnum 5.7L Hemi 2005 - 2008
JBA Shorty Headers (Raw Finish): 300 / Charger / Magnum 5.7L Hemi 2005 - 2008

JBA Shorty Headers (Raw Finish): 300 / Charger / Magnum 5.7L Hemi 2005 - 2008

JBA

Regular price $799.00 $726.36 9% off

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per 

WeatherTech Side Window Deflectors (4PC, Dark Smoke): Dodge Durango 2011 - 2023
WeatherTech Side Window Deflectors (4PC, Dark Smoke): Dodge Durango 2011 - 2023
MBRP Cat Back Exhaust System (Single Side Exit, Aluminized): Ram 6.4L 392 2500 & 3500 2014 - 2025
MBRP Cat Back Exhaust System (Single Side Exit, Aluminized): Ram 6.4L 392 2500 & 3500 2014 - 2025

MBRP Cat Back Exhaust System (Single Side Exit, Aluminized): Ram 6.4L 392 2500 & 3500 2014 - 2025

MBRP
5.0 (1)

Regular price $667.05 $539.99 19% off

Unit price
per 

DiabloSport Modified PCM + i3 Programmer Combo: Ram 2018 - 2019 (5.7L Hemi 1500 8-Speed)
DiabloSport Modified PCM + i3 Programmer Combo: Ram 2018 - 2019 (5.7L Hemi 1500 8-Speed)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Ram 2018 (5.7L Hemi 1500 8-Speed)

Diablo Sport

Regular price $1,743.95 $1,549.95 11% off

Unit price
per 

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2019 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2019 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,856.95 $1,649.95 11% off

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per 

Spec D Passenger Mirror w/ Turn & Puddle Light (RIGHT): Ram 2500 / 3500 (19-26) - Chrome
Spec D Passenger Mirror w/ Turn & Puddle Light (RIGHT): Ram 2500 / 3500 (19-26) - Chrome

Spec D Passenger Mirror w/ Turn & Puddle Light (RIGHT): Ram 2500 / 3500 (19-26) - Chrome

Spec D

Regular price $231.00 $171.00 26% off

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Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome
Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome

Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome

Spec D

Regular price $231.00 $171.00 26% off

Unit price
per 

Performance Parts and Upgrades for Your Gen III Hemi Engine

The Gen III Hemi family, spanning the 5.7L, 6.1L, 6.2L, and 6.4L variants, offers a versatile and durable platform for a wide range of performance builds. Whether maintaining a reliable daily driver or building a high-horsepower machine, these engines provide a strong foundation with forged internals and advanced engineering designed to handle upgrades.

Key Upgrade Paths for the Gen III Hemi Platform

Owners of Gen III Hemis can choose from a variety of bolt-on and internal upgrades tailored to their specific engine variant and performance goals. Popular modifications focus on improving airflow, increasing power output, and enhancing engine durability to support higher boost levels or track use.

  • Supercharger and forced induction kits for significant power gains
  • Cold air intakes and throttle body upgrades to optimize airflow
  • Exhaust headers and cat-back systems to reduce backpressure
  • Engine management and tuning tools for precise calibration
  • Supporting mods like upgraded fuel systems and cooling components

Building a Reliable Foundation for Boost on Gen III Hemis

Many Gen III Hemis come equipped with forged internals, but preparing your engine for forced induction or track demands requires careful selection of supporting parts. Upgrading fuel delivery, cooling systems, and engine management ensures your build remains reliable under increased cylinder pressures and heat.

Shop Gen III Hemi Performance Parts at FastHemis

At FastHemis, we offer a comprehensive selection of parts designed specifically for the Gen III Hemi family. Whether you’re upgrading a 5.7L for daily driving or pushing a 6.4L 392 to new performance levels, our parts are engineered to enhance power, reliability, and drivability. Explore our Gen III Hemi collection to find the right components for your build.

SELECT YOUR VEHICLE