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Shop 392 Hemi

Unlock the potential of the 6.4L 392 Hemi, a naturally aspirated powerhouse known for its robust 392 cubic inch displacement and strong factory internals. Found in Scat Pack Challengers, Durango SRT 392, and Ram HD trucks, this engine offers an excellent foundation for performance upgrades and boost-ready builds. At FastHemis, you’ll find a wide range of parts tailored to enhance your 392 Hemi’s power, reliability, and capability. From supercharger kits and long tube headers to cold air intakes and tuning solutions, these components help you maximize horsepower and torque while maintaining engine durability. Key upgrades for your 6.4L 392 Hemi include: - Supercharger and forced induction kits - High-flow intake and exhaust systems - Performance tuners and calibration tools - Supporting hardware for boost builds Shop 6.4L 392 Hemi upgrades at FastHemis.
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Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)
Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)

Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)

Westin

Regular price $1,516.25 $1,212.99 20% off

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Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)
Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)

Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)

Westin

Regular price $1,646.25 $1,316.99 20% off

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Westin SS Nerf Step Bars (SIDE): Fits Dodge / Ram (09-26)
Westin SS Nerf Step Bars (SIDE): Fits Dodge / Ram (09-26)
Westin SS Winch Tray Face Plate: Ram 2500 / Ram 3500 (10-23)
Westin SS Winch Tray Face Plate: Ram 2500 / Ram 3500 (10-23)
Westin Pro-Mod Front Bumper (FRONT): Dodge Ram 1500 / 1500 Classic (09-24) / Ram 2500 / 3500 (21)
Westin Pro-Mod Front Bumper (FRONT): Dodge Ram 1500 / 1500 Classic (09-24) / Ram 2500 / 3500 (21)

Westin Pro-Mod Front Bumper (FRONT): Dodge Ram 1500 / 1500 Classic (09-24) / Ram 2500 / 3500 (21)

Westin

Regular price $1,561.25 $1,248.99 20% off

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Method Wheels 106 / Beadlock / Machined | 17x9 | 6x5.5 | -44mm/3.5"
Method Wheels 106 / Beadlock / Machined | 17x9 | 6x5.5 | -44mm/3.5"
Westin Textured Black R5 Nerf Step Bars: Jeep Wrangler 2018-2024
Westin Textured Black R5 Nerf Step Bars: Jeep Wrangler 2018-2024

Westin Textured Black R5 Nerf Step Bars: Jeep Wrangler 2018-2024

Westin

Regular price $778.75 $622.99 20% off

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Method Wheels 701 /  Bahia Blue® | 17x9 | 5x5 | -12/4.62"
Method Wheels 701 /  Bahia Blue® | 17x9 | 5x5 | -12/4.62"

Method Wheels 701 / Bahia Blue® | 17x9 | 5x5 | -12/4.62"

Method Wheels

$387.00

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Westin Textured Black HDX Drop W2W Nerf Step Bars: Ram 2500 (19-24) / 3500 (19-24)
Westin Textured Black HDX Drop W2W Nerf Step Bars: Ram 2500 (19-24) / 3500 (19-24)

Westin Textured Black HDX Drop W2W Nerf Step Bars: Ram 2500 (19-24) / 3500 (19-24)

Westin

Regular price $1,286.25 $1,028.99 20% off

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Westin Textured Black Xtreme Nerf Step Bars: Fits Dodge / Ram (09-26)
Westin Textured Black Xtreme Nerf Step Bars: Fits Dodge / Ram (09-26)

Westin Textured Black Xtreme Nerf Step Bars: Fits Dodge / Ram (09-26)

Westin

Regular price $880.00 $703.99 20% off

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Westin R5 M-Series Polished Stainless Steel Nerf Step Bars: Ram 2500 (2010-2019) / 3500 (2010-2019)
Westin R5 M-Series Polished Stainless Steel Nerf Step Bars: Ram 2500 (2010-2019) / 3500 (2010-2019)

Westin R5 M-Series Polished Stainless Steel Nerf Step Bars: Ram 2500 (2010-2019) / 3500 (2010-2019)

Westin

Regular price $1,516.25 $1,212.99 20% off

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Westin Outlaw Drop Running Boards Textured Black (SIDE): Fits Dodge / Ram (02-26)
Westin Outlaw Drop Running Boards Textured Black (SIDE): Fits Dodge / Ram (02-26)

Westin Outlaw Drop Running Boards Textured Black (SIDE): Fits Dodge / Ram (02-26)

Westin

Regular price $781.25 $624.99 20% off

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Westin Outlaw Running Board: Jeep Wrangler 2018-2024
Westin Outlaw Running Board: Jeep Wrangler 2018-2024

Westin Outlaw Running Board: Jeep Wrangler 2018-2024

Westin

Regular price $1,005.00 $803.99 20% off

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Westin HDX Winch Mount Grille Guard: Ram 2500 / 3500 2019-2023
Westin Rear Bumper (REAR): Jeep Wrangler 2018-2023 w/ Sensors
Method Wheels 105-V3 / Beadlock / Gold | 17x9 | 6x5.5 | -38mm/3.5"
Method Wheels 105-V3 / Beadlock / Gold | 17x9 | 6x5.5 | -38mm/3.5"
Westin Black R5 XD Nerf Step Bars (SIDE): Fits Dodge Ram 1500 / 2500 / 3500 (09-24)
Westin Black R5 XD Nerf Step Bars (SIDE): Fits Dodge Ram 1500 / 2500 / 3500 (09-24)

Westin Black R5 XD Nerf Step Bars (SIDE): Fits Dodge Ram 1500 / 2500 / 3500 (09-24)

Westin

Regular price $868.75 $694.99 20% off

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Westin Black PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)
Westin Black PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)

Westin Black PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)

Westin

Regular price $1,303.75 $1,042.99 20% off

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Westin Textured Black XTS Round Bull Bar: Jeep Gladiator 2020-2025 / Wrangler JL 2018-2025
Westin Textured Black XTS Round Bull Bar: Jeep Gladiator 2020-2025 / Wrangler JL 2018-2025

Westin Textured Black XTS Round Bull Bar: Jeep Gladiator 2020-2025 / Wrangler JL 2018-2025

Westin

Regular price $352.50 $281.99 20% off

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Westin Rear Bumper: Jeep Wrangler (2018-2023)

Westin Rear Bumper: Jeep Wrangler (2018-2023)

Westin

$1,206.25

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Westin Textured Black Sportsman X Grille Guard: Ram 2500 (19-24) / 3500 (19-24)
Westin Textured Black Sportsman X Grille Guard: Ram 2500 (19-24) / 3500 (19-24)

Westin Textured Black Sportsman X Grille Guard: Ram 2500 (19-24) / 3500 (19-24)

Westin

Regular price $1,378.75 $1,102.99 20% off

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Bilstein B6 4600 Rear Shock: Ram 2500 2019 - 2025 (w/ OUT Air Leveling Suspension)
Bilstein B6 4600 Rear Shock: Ram 2500 2019 - 2025 (w/ OUT Air Leveling Suspension)

Bilstein B6 4600 Rear Shock: Ram 2500 2019 - 2025 (w/ OUT Air Leveling Suspension)

Bilstein

Regular price $154.85 $104.00 33% off

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Performance Upgrades for Your 6.4L 392 Hemi

The 6.4L 392 Hemi is a naturally aspirated powerhouse with a strong factory foundation, making it an ideal candidate for performance enhancements and boost-ready builds. Known for its forged steel crankshaft, hypereutectic pistons, and high-flow cylinder heads, this engine delivers robust power and durability across various Mopar platforms.

Why upgrade your 6.4L 392 Hemi with performance parts?

Upgrading your 392 Hemi’s components unlocks greater horsepower and torque while maintaining reliability. Enhancements like high-flow intake and exhaust systems improve airflow, while supercharger kits add forced induction for substantial power gains. These upgrades also help optimize throttle response and engine efficiency, making your vehicle more capable on the street or track.

  • Improved airflow with long tube headers and cold air intakes
  • Enhanced power delivery through performance tuners and calibration
  • Boost-ready internals support supercharger and procharger installations
  • Supporting hardware ensures durability under increased cylinder pressures

Building a reliable foundation for boost on the 392 Hemi

The 6.4L 392 Hemi’s robust rotating assembly and high compression ratio make it well-suited for moderate forced induction setups. When adding a supercharger or procharger, it’s important to consider fuel system upgrades, cooling enhancements, and proper tuning to maintain engine health. Planning these supporting modifications ensures your boosted build performs reliably over time.

Explore 6.4L 392 Hemi upgrades at FastHemis

Whether you’re looking to add a supercharger kit, upgrade your intake and exhaust, or fine-tune your engine’s calibration, FastHemis offers a wide selection of parts tailored to the 6.4L 392 Hemi. Shop our collection to find quality components designed to maximize your engine’s power and durability for street, track, or boost builds.

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