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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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10456 Results

AFE Magnum Force Stage-2 Cold Air Intake: Dodge RAM 1500 TRX 6.2L 2021 - 2023
AFE Magnum Force Stage-2 Cold Air Intake: Dodge RAM 1500 TRX 6.2L 2021 - 2023
usa

AFE Magnum Force Stage-2 Cold Air Intake: Dodge RAM 1500 TRX 6.2L 2021 - 2023

aFe

from $660.00

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per 

2 filter types
  • Pro Dry 5 (Dry)
  • Pro 5R (Pre Oiled)
GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2015 - 2023
GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2015 - 2023
usa

GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2015 - 2023

GT Styling

Regular price from $79.76 35% off

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GT Styling Smoke Tail Light Covers: Dodge Challenger 2015 - 2023
GT Styling Smoke Tail Light Covers: Dodge Challenger 2015 - 2023
usa

GT Styling Smoke Tail Light Covers: Dodge Challenger 2015 - 2023

GT Styling

Regular price from $79.75 35% off

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GT Styling Smoke Tail Light Covers: Dodge Charger 2011 - 2014
GT Styling Smoke Tail Light Covers: Dodge Charger 2011 - 2014
usa

GT Styling Smoke Tail Light Covers: Dodge Charger 2011 - 2014

GT Styling

Regular price from $81.30 35% off

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GT Styling Smoke Tail Light Covers: Dodge Challenger 2008 - 2014
GT Styling Smoke Tail Light Covers: Dodge Challenger 2008 - 2014
usa

GT Styling Smoke Rear Center Panel Cover: Dodge Challenger 2008 - 2014

GT Styling

Regular price from $79.75 35% off

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American Car Craft Brushed Center Dash Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
American Car Craft Brushed Center Dash Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014
usa

American Car Craft Brushed Center Dash Trim Plate: Dodge Challenger R/T SRT8 2008 - 2014

American Car Craft
5.0 (1)

Regular price $148.95 $138.95 7% off

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Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025
Grams Performance Fuel Rails: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2005 - 2025

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

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AlphaRex LUXX LED Tail Lights (Alpha-Black): Ram 1500 2019 - 2024
AlphaRex LUXX LED Tail Lights (Alpha-Black): Ram 1500 2019 - 2024

AlphaRex LUXX LED Tail Lights (Alpha-Black): Ram 1500 2019 - 2024

AlphaRex

Regular price $655.00 from $595.00 Up to 9% off

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AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018
AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex
5.0 (1)

Regular price from $262.68 1% off

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Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 3500 6.4L 392 (+48HP)
Fast Hemis One-Click Stage 1 Kit: 2019-2026 Ram 3500 6.4L 392 (+48HP)
usa

aFe Momentum GT Cold Air Intake (FRONT): Ram 2500 / 3500 6.4L 392 (19-25)

aFe

from $420.00

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per 

2 filter types
  • Pro 5R (Oiled)
  • Pro Dry-S (Non Oiled)
Weapon R Secret Weapon Air Intake: Chrysler 300C / Dodge Challenger / Charger / Magnum 2005-2024
Weapon R Secret Weapon Air Intake: Chrysler 300C / Dodge Challenger / Charger / Magnum 2005-2024
American Racing Headers: Jeep Grand Cherokee SRT8 2006 - 2010
usa

American Racing Headers: Jeep Grand Cherokee SRT8 2006 - 2010

American Racing Headers

Regular price from $1,975.17 Up to 10% off

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Anderson Composites OEM Carbon Fiber Trunk: Dodge Challenger 2008 - 2023 (Including SRT Hellcat & Demon)
Anderson Composites OEM Carbon Fiber Trunk: Dodge Challenger 2008 - 2023 (Including SRT Hellcat & Demon)

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

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Corsa Apex Cold Air Intake: Dodge Durango / Jeep Grand Cherokee 5.7L Hemi 2011 - 2025
Corsa Apex Cold Air Intake: Dodge Durango / Jeep Grand Cherokee 5.7L Hemi 2011 - 2025
usa

Corsa Apex Cold Air Intake: Dodge Durango / Jeep Grand Cherokee 5.7L Hemi 2011 - 2025

CORSA Performance

Regular price from $403.99 Up to 9% off

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2 filter types
  • Oiled Filter
  • Dry Filter
Eibach Rear Damper: Fits Most Dodge / Chrysler / Jeep Models (2011-2026)
Eibach Rear Damper: Fits Most Dodge / Chrysler / Jeep Models (2011-2026)

Eibach Rear Damper: Fits Most Dodge / Chrysler / Jeep Models (2011-2026)

Eibach

Regular price $176.67 $159.00 10% off

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Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red
Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red
usa

Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red

Energy Suspension

Regular price $51.34 $34.23 33% off

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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 Stage 2 Boost Cooler Water-Methanol Injection Kit: Fits most Hemi 5.7 / 6.1 / 6.4L

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

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Mishimoto CNC Aluminum Heater Supply and Return Hose Fitting Set: Dodge Durango (2011-2026)
Mishimoto CNC Aluminum Heater Supply and Return Hose Fitting Set: Dodge Durango (2011-2026)

Mishimoto CNC Aluminum Heater Supply and Return Hose Fitting Set: Dodge Durango (2011-2026)

Mishimoto

Regular price $104.00 $94.95 9% off

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Bully Dog GT Platinum Tuner: Fits Dodge/Jeep/Ram 2003-2014 5.7/6.1L HEMI
Bully Dog GT Platinum Tuner: Fits Dodge/Jeep/Ram 2003-2014 5.7/6.1L HEMI
EBC Two-Piece SG Racing Front Rotors: Jeep Grand Cherokee Trackhawk (18-21) / Dodge Durango Hellcat (21-26)

EBC SG Racing Two-Piece Slotted Front Rotors (FRONT): Jeep Grand Cherokee Trackhawk 2018-2021 / Durango SRT Hellcat 2021-2025 6.2L

EBC

$1,179.19

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Granatelli 160 Degree Thermostat & Gasket: Dodge/Ram/Durango/Chrysler/Jeep 2003-2024 5.7-6.4L HEMI
Granatelli 160 Degree Thermostat & Gasket: Dodge/Ram/Durango/Chrysler/Jeep 2003-2024 5.7-6.4L HEMI
usa

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

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Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024
Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024

Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024

Westin

Regular price $1,147.50 $917.99 20% off

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SPC Performance Cam Kit: Dodge Durango (11-24) / Jeep Grand Cherokee (11-22)
SPC Performance Cam Kit: Dodge Durango (11-24) / Jeep Grand Cherokee (11-22)
usa
Oracle Lighting LED Flush Mount Tail Light: Jeep Wrangler 2018-2024
Oracle Lighting LED Flush Mount Tail Light: Jeep Wrangler 2018-2024
Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve Upgrade
Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve Upgrade

Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve Upgrade

Mishimoto

Regular price $100.00 $90.95 9% off

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per 

Mishimoto Thermal Bypass Valve Kit: Jeep Grand Cherokee (16-21) / Grand Cherokee L (21)
Mishimoto Thermal Bypass Valve Kit: Jeep Grand Cherokee (16-21) / Grand Cherokee L (21)

Mishimoto Thermal Bypass Valve Kit: Jeep Grand Cherokee (16-21) / Grand Cherokee L (21)

Mishimoto

Regular price $110.00 $99.95 9% off

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Mishimoto Ignition Coil Pack: Fits Chrysler/Dodge/Ram/Jeep HEMI 2006-2023 5.7/6.4L
Mishimoto Ignition Coil Pack: Fits Chrysler/Dodge/Ram/Jeep HEMI 2006-2023 5.7/6.4L

Mishimoto Ignition Coil Pack: Fits Chrysler/Dodge/Ram/Jeep HEMI 2006-2023 5.7/6.4L

Mishimoto

Regular price $44.00 $39.95 9% off

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per 

Husky Liners Black Weatherbeater Floor Liners (FRONT AND 2ND SEAT): Ram 1500 2019-2024
Husky Liners Black Weatherbeater Floor Liners (FRONT AND 2ND SEAT): Ram 1500 2019-2024
usa

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