Shop 6.4L Hemi
Retrax RetraxPRO MX Retractable Tonneau Cover: Fits Ram 1500 / 2500 / 3500 (02-26) - Matte Black
Retrax
$2,099.99
- Unit price
- /per
Bilstein B8 5100 Rear Shock: Ram 2500 2019 - 2025 (WITH Rear Coil Springs, 0-1" Rear Lift)
Bilstein
Regular price
$171.85
$123.00
28% off
- Unit price
- /per
WeatherTech FloorLiners Front, Rear & 3rd Row: 16-23 Durango 2nd Row Bench - Black
WeatherTech
$304.85
- Unit price
- /per
Eagle Forged 4340 Steel H-Beam Connecting Rods Set: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Eagle
$739.99
- Unit price
- /per
aFe Power Sprint Booster Power Converter 14-15 Jeep Wrangler (JK) / Grand Cherokee (WK2) AT
aFe
$314.00
- Unit price
- /per
EBC S6 Brake Pads & Rotors Kit (REAR): Jeep Grand Cherokee 6.1L SRT8 2006 - 2010
EBC
Regular price
$627.10
$595.75
5% off
- Unit price
- /per
EBC S3 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi
EBC
Regular price
$477.17
$453.31
5% off
- Unit price
- /per
EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 3.6L V6
EBC
Regular price
$321.75
$305.66
5% off
- Unit price
- /per
EBC S14 Brake Pads & Rotors Kit (REAR): Dodge Durango (11-25) & Jeep Grand Cherokee (11-21) 5.7L Hemi
EBC
Regular price
$326.15
$309.84
5% off
- Unit price
- /per
Fast Hemis One-Click Stage 1 Kit: 2015-2023 Dodge Challenger 6.4L 392 (+46HP)
FastHemis
Regular price
$1,265.82
from $1,040.20
Up to
18% off
- Unit price
- /per
Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Challenger 6.4L 392 (+46HP)
FastHemis
Regular price
$1,265.82
from $1,040.20
Up to
18% off
- Unit price
- /per
Liqui Moly Special Tec AA Motor Oil: Fits Most Chrysler / Dodge / Jeep / Ram Models
LIQUI MOLY
$223.80
- Unit price
- /per
Liqui Moly Fully Synthetic Hypoid Gear Oil: Fits Most Chrysler / Dodge / Jeep / Ram Models
LIQUI MOLY
$173.70
- Unit price
- /per
Liqui Moly Molygen New Generation Motor Oil: Fits Most Chrysler / Dodge / Jeep / Ram Models
LIQUI MOLY
$113.70
- Unit price
- /per
Go Rhino RB20 Running Boards & Drop Steps Kit: Fits Dodge / Ram (02-26)
Go Rhino
Regular price
$1,150.47
$920.38
20% off
- Unit price
- /per
Retrax IX Retractable Tonneau Cover 6.4ft Bed: Fits Dodge / Ram 1500 / 2500 / 3500 (02-26)
Retrax
$1,199.99
- Unit price
- /per
AWE Track Edition Catback Exhaust Chrome Silver Tips (REAR): Charger R/T Scat Pack 6.4L / SRT 392 / Hellcat & Redeye 6.2L 2015-23
AWE Tuning
Regular price
$1,510.53
$1,435.00
5% off
- Unit price
- /per
Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Charger 6.4L 392 (+46HP)
FastHemis
Regular price
$2,132.82
from $1,863.85
Up to
13% off
- Unit price
- /per
Fast Hemis One-Click Stage 1 Kit: 2015-2023 Dodge Charger 6.4L 392 (+46HP)
FastHemis
Regular price
$2,132.82
from $1,863.85
Up to
13% off
- Unit price
- /per
Fast Hemis One-Click Stage 1 Kit: 2015-2024 Chrysler 300 6.4L 392 (+46HP)
FastHemis
Regular price
$2,132.82
from $1,863.85
Up to
13% off
- Unit price
- /per
Fast Hemis One-Click Stage 1 Kit: 2011-2014 Chrysler 300 6.4L 392 (+46HP)
FastHemis
Regular price
$2,132.82
from $1,863.85
Up to
13% off
- Unit price
- /per
Anderson Composites Carbon Fiber Roof Replacement (Dry): Dodge Challenger 2008 - 2023 (All Models)
Anderson Composites
Regular price
$2,999.00
$2,699.10
10% off
- Unit price
- /per
MagnaFlow Direct-Fit OEM Underbody Catalytic Converter: Ram 1500 (2012) / 2500 (12-19) / 3500 (13-18)
Magnaflow
$1,131.00
- Unit price
- /per
Lakewood High Strength Chromoly Bellhousing Bolt Kit: Mopar Gen III Hemi w/ T-56 and T-56 Magnum
Lakewood
Regular price
$61.95
$54.29
12% off
- Unit price
- /per
Bestop JL Replacement Quarter Window Tinted (LEFT 2-Door): Jeep Wrangler 2018-2025 2.0L/3.6L
Bestop
$249.99
- Unit price
- /per
Bestop TrekStep Rear Step (REAR): Fits Ram 1500/2500/3500 2009-2018 w/o Dual Exhaust
Bestop
$329.99
- Unit price
- /per
Addictive Desert Designs Phantom Rear Bumper: Jeep Wrangler (18-24) / Gladiator (20-24)
Addictive Desert Designs
$1,598.98
- Unit price
- /per
Bestop Supertop Black Diamond (4-DOOR): Jeep Wrangler JL 2018-25 2.0L/3.6L
Bestop
$1,249.99
- Unit price
- /per
Bestop OE Replacement Windows Tan Twill Tinted (REAR): Jeep Wrangler JL 2018-2025 2.0L Turbo/3.6L V6
Bestop
$249.99
- Unit price
- /per
Bestop OE JL Replacement Quarter Window Tan Twill Clear (LH 4-Door): Jeep Wrangler JL 2018-2025
Bestop
$189.99
- Unit price
- /per
Bestop Supertop Truck Bed Cover: Fits Dodge Ram / Ford F-250Sd 1994-2017
Bestop
$1,149.99
- Unit price
- /per
Bestop Sun Safari Bikini (Mesh) (F&R): Jeep Wrangler JL 2018-2025 2.0L/3.6L
Bestop
$199.99
- Unit price
- /per
Bestop JL Replacement Quarter Window RH Tan Twill Clear (REAR): Jeep Wrangler JL 2018-2025 2.0L/3.6L
Bestop
$249.99
- Unit price
- /per
Bestop Replacement Windows (REAR): Jeep Wrangler JL 2018-2025 2.0L Turbo / 3.6L V6
Bestop
$139.99
- Unit price
- /per
You’re viewing 1241-1280 of 5834 products
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.