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Shop Hellcat

Support Your 6.2L Hellcat Supercharged Engine The 6.2L Hellcat is a high-output, factory supercharged Gen III Hemi known for its immense power and torque. Delivering between 707 and 840 horsepower depending on the variant, this engine demands supporting modifications to maintain performance and reliability under boost. Heat management and fuel delivery upgrades are essential to keep your Hellcat, Trackhawk, or TRX running strong during aggressive driving or track use. At FastHemis, you’ll find a wide range of parts designed specifically for the Hellcat platform. From upgraded cooling components like heat exchangers and radiators to fuel system enhancements and pulley kits, these parts help you maximize power potential while protecting your investment. Whether you’re looking to improve heat soak resistance, increase boost efficiency, or support sustained high-output performance, we have the solutions you need. Popular Hellcat upgrade categories include: - Cooling upgrades and heat exchangers - Fuel system components and injectors - Pulley and supercharger drive kits - Intake and intercooler enhancements - Heat management accessories Shop Hellcat supercharged upgrades at FastHemis.
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2031 Results

Edge EvoHT2 Handheld Tuner: Fits Most GM / Ford / Dodge RAM Trucks

Edge EvoHT2 Handheld Tuner: Fits Most GM / Ford / Dodge RAM Trucks

Edge

Regular price $518.95 $349.95 33% off

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Holley Replacement Water Neck Seal: Fits Most Dodge / Jeep / Ram Models (2003-2023)

Holley Replacement Water Neck Seal: Fits Most Dodge / Jeep / Ram Models (2003-2023)

Holley

Regular price $4.57 $3.65 20% off

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Granatelli 65 KV Hot Street Coil-On-Plug Coil Set (F&R): Fits Dodge/Jeep/Ram 2006-2024 5.7/6.1/6.2/6.4L HEMI
Granatelli 65 KV Hot Street Coil-On-Plug Coil Set (F&R): Fits Dodge/Jeep/Ram 2006-2024 5.7/6.1/6.2/6.4L HEMI
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Granatelli 65 KV Hot Street Coil-On-Plug Coil Set (F&R): Fits Dodge/Jeep/Ram 2006-2024 5.7/6.1/6.2/6.4L HEMI

Granatelli Motor Sports

Regular price $758.52 $720.59 5% off

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EBC S1 Brake Pad and Rotor Kit (FRONT): Dodge Durango (11-23) / Jeep Grand Cherokee (11-19)
EBC S1 Brake Pad and Rotor Kit (FRONT): Dodge Durango (11-23) / Jeep Grand Cherokee (11-19)

EBC S1 Brake Pad and Rotor Kit (FRONT): Dodge Durango (11-23) / Jeep Grand Cherokee (11-19)

EBC

Regular price $415.56 $394.78 5% off

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Stopping Power
Performance Over Stock
Dust Levels
Manley Perf H-Beam Rod Set w/ ARP 2000 Bolts: Fits Dodge / Chrysler 2002-23 6.1L HEMI
Manley Perf H-Beam Rod Set w/ ARP 2000 Bolts: Fits Dodge / Chrysler 2002-23 6.1L HEMI
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Manley Perf H-Beam Rod Set w/ ARP 2000 Bolts: Fits Dodge / Chrysler 2002-23 6.1L HEMI

Manley Performance

Regular price $1,003.31 $902.98 10% off

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

Borla

Regular price $2,529.99 $2,258.99 11% off

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Method Wheels 707 / Matte Black | 17x8.5 | 5x5 | 0/4.72"
Method Wheels 707 / Matte Black | 17x8.5 | 5x5 | 0/4.72"

Method Wheels 707 / Matte Black | 17x8.5 | 5x5 | 0/4.72"

Method Wheels

$366.00

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Anderson Composites Carbon Fiber Doors (Pair, Dry): Dodge Challenger 2008 - 2023 (All Models)
Anderson Composites Carbon Fiber Doors (Pair, Dry): Dodge Challenger 2008 - 2023 (All Models)

Anderson Composites Carbon Fiber Doors (Pair, Dry): Dodge Challenger 2008 - 2023 (All Models)

Anderson Composites

Regular price $4,799.00 $4,319.10 10% off

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Billetworkz Shift Knob Hoodie SRT
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Billetworkz Shift Knob Hoodie SRT

Billetworkz

$25.00

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Billetworkz Shift Knob Hoodie: Fits Universal up to 2in Diameter
usa
Billetworkz Shift Knob Hoodie Jeep Grill
usa

Billetworkz Shift Knob Hoodie Jeep Grill

Billetworkz

$25.00

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Billetworkz Shift Knob Hoodie Hellcat
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Billetworkz Shift Knob Hoodie Hellcat

Billetworkz

$25.00

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Billetworkz Shift Knob Hoodie R/T: Fits Universal up to 2in Diameter
usa
Billetworkz Titanium Torched Shift Knob for Dodge Challenger 6-Speed (2015-2023)
usa
Billetworkz Titanium Brushed Shift Knob for Dodge Challenger 6-Speed (2015-2023)
usa
Billetworkz "Hybrid" Shift Knob for Dodge Challenger 6-Speed (2015-2023)
usa

Billetworkz "Hybrid" Shift Knob for Dodge Challenger 6-Speed (2015-2023)

Billetworkz

from $109.00

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5 hybrid 2.0 colors
  • Black Delrin
  • White Delrin
  • Red Cosmic Space
  • Purple Cosmic Space
  • Blue Cosmic Space
Billetworkz Cosmic Space Shift Knob - 6 Speed Heartbeat Engraving for Dodge Challenger (2015-2023)
usa
Billetworkz Sphere Weighted Shift Knob for Dodge Challenger 6-Speed (2015-2023)
usa

Billetworkz Sphere Weighted Shift Knob for Dodge Challenger 6-Speed (2015-2023)

Billetworkz

$99.00

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15 shift knob colors
  • Candy Blue
  • Candy Red
  • Candy Purple
  • Candy Pink
  • Candy Orange
  • +10 more
Billetworkz “Fusion” Weighted Shift Knob - Dodge Challenger 6-Speed (2015-2023)
usa

Billetworkz “Fusion” Weighted Shift Knob - Dodge Challenger 6-Speed (2015-2023)

Billetworkz

from $209.00

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12 fusion colors
  • Matte Black
  • Gloss White
  • Gloss Red
  • Candy Blue
  • Candy Red
  • +7 more
Billetworkz Cosmic Space Shift Knob - 6 Speed Retro Engraving for Dodge Challenger (2015-2023)
usa
Billetworkz Short Teardrop Weighted Shift Knob for Dodge Challenger 6-Speed (2015-2023)
usa

Billetworkz Short Teardrop Weighted Shift Knob for Dodge Challenger 6-Speed (2015-2023)

Billetworkz

$99.00

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15 shift knob colors
  • Gloss Red
  • Gloss White
  • Gloss Orange
  • Gloss Yellow
  • Matte Black
  • +10 more
Billetworkz "Fusion" Automatic Shifter - Dodge Challenger / Charger (2015-2023)
usa

Billetworkz "Fusion" Automatic Shifter - Dodge Challenger / Charger (2015-2023)

Billetworkz

$279.00

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12 fusion colors
  • Matte Black
  • Gloss White
  • Gloss Red
  • Candy Blue
  • Candy Red
  • +7 more
Billetworkz Lightbulb Weighted Shift Knob for Dodge Challenger 6-Speed (2015-2023)
usa

Billetworkz Lightbulb Weighted Shift Knob for Dodge Challenger 6-Speed (2015-2023)

Billetworkz

$99.00

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15 shift knob colors
  • Hyper Blue
  • Hyper Teal
  • Performance Blue
  • Candy Blue
  • Candy Red
  • +10 more
Billetworkz Sledge Weighted Shift Knob for Dodge Challenger 6-Speed (2015-2023)
usa

Billetworkz Sledge Weighted Shift Knob for Dodge Challenger 6-Speed (2015-2023)

Billetworkz

$99.00

Unit price
per 

15 shift knob colors
  • Candy Red
  • Candy Blue
  • Candy Purple
  • Candy Pink
  • Candy Orange
  • +10 more

Performance Upgrades for Your 6.2L Hellcat Supercharged Engine

The 6.2L Hellcat is a factory supercharged powerhouse demanding specialized support to maintain its high-output performance and reliability. Whether you drive a Challenger Hellcat, Jeep Trackhawk, or Ram TRX, upgrading cooling, fuel delivery, and supercharger components is essential to handle the intense boost and heat generated by this engine.

What supporting modifications help your Hellcat handle more boost?

Increasing boost on the Hellcat’s 2.4L IHI supercharger requires careful attention to supporting systems. Upgraded fuel injectors and high-flow fuel pumps ensure consistent fuel delivery under higher boost levels, while stronger pulleys can increase supercharger speed for added power. Additionally, ECU tuning is critical to optimize air/fuel ratios and ignition timing for safe, reliable gains.

  • High-capacity fuel injectors and pumps for stable fueling
  • Supercharger pulley kits to increase boost and efficiency
  • Upgraded ignition components for consistent spark under load
  • Professional ECU tuning tailored to your modifications

Why is cooling critical for supercharged Hemi performance?

Heat management is a key factor in maintaining Hellcat performance, especially during aggressive driving or track use. The factory cooling system can be pushed to its limits, so upgrading to larger radiators, heat exchangers, and intercoolers helps reduce intake air temperatures and prevent heat soak. Effective cooling preserves power output and protects engine components from thermal stress.

How to choose the right Hellcat parts to maximize power and reliability

Selecting the right parts for your Hellcat means balancing power goals with durability. FastHemis offers a comprehensive range of engine-specific upgrades—from cooling solutions and fuel system components to pulley kits and heat management accessories—that are engineered to support the Hellcat’s unique demands. Shop our Hellcat collection to find performance parts designed to keep your supercharged engine running strong.

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