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Jeep Grand Cherokee Engine Performance Parts

Built for your Jeep Grand Cherokee, this collection offers a wide range of engine performance parts designed to enhance power, throttle response, and overall reliability. Whether you’re looking to improve airflow with intakes and headers or optimize fuel delivery and tuning, these parts are engineered to fit your model precisely.

Explore components like high-flow exhaust systems, throttle bodies, programmers, and fuel system upgrades that work together to unlock your Jeep’s full potential. Each product is selected to improve engine efficiency, sound, and driving experience without compromising durability.

Shop engine performance upgrades for your Jeep Grand Cherokee at FastHemis.

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1352 Results

Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Master Kit
usa

Brian Tooley Racing Master Camshaft Kit: Chrysler / Dodge / Jeep 5.7L Hemi 2009 - 2023

Brian Tooley Racing
4.9 (8)

Regular price $2,524.42 $449.99 82% off

Unit price
per 

Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Master Kit
usa

Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025

Brian Tooley Racing

Regular price $2,524.42 $449.99 82% off

Unit price
per 

Brian Tooley Racing Camshaft Kit: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Brian Tooley Racing Camshaft Kit: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Master Kit
usa

Brian Tooley Racing VVT Camshaft Kit: Chrysler / Dodge / Jeep 5.7L Hemi 2009 - 2023

Brian Tooley Racing

Regular price $1,231.78 $449.99 63% off

Unit price
per 

Brian Tooley Racing PDS Master Camshaft Kit (Roots Supercharger): Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Master Kit
usa

Brian Tooley Racing GEN III Hemi PDS Camshaft Kit: Chrysler / Dodge / Jeep 5.7L Hemi 2009 - 2023

Brian Tooley Racing

Regular price $2,721.83 $489.99 82% off

Unit price
per 

Stage 8 Header Bolts & Locking Fasteners: Fits Dodge / Ram / Jeep 5.7L-6.4L Hemi (02-26)
Stage 8 Header Bolts & Locking Fasteners: Fits Dodge / Ram / Jeep 5.7L-6.4L Hemi (02-26)
usa

Stage 8 Header Bolts & Locking Fasteners: Fits Dodge / Ram / Jeep 5.7L-6.4L Hemi (02-26)

Stage 8
4.9 (7)

Regular price $92.26 $72.71 21% off

Unit price
per 

Cometic MLS Exhaust Manifold / Header Gaskets (Pair): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2009 - 2025
Cometic MLS Exhaust Manifold / Header Gaskets (Pair): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2009 - 2025
usa

Cometic MLS Exhaust Manifold Gaskets (Pair): Fits Chrysler / Dodge / Jeep / Ram 09-26

Cometic Gasket
4.8 (4)

Regular price $47.05 $42.35 10% off

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per 

Cometic MLS Head Gaskets (3.950" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
Cometic MLS Head Gaskets (3.950" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
usa

Cometic MLS Head Gaskets (3.950" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025

Cometic Gasket
5.0 (1)

Regular price from $96.54 Up to 10% off

Unit price
per 

Cometic Valve Cover Gasket: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk
Cometic Valve Cover Gasket: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk
usa

Cometic Valve Cover Gasket: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.2L Hemi (02-26)

Cometic Gasket
5.0 (4)

Regular price from $18.52 Up to 10% off

Unit price
per 

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
usa

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024

American Brother Designs
4.5 (2)

Regular price $101.49 $69.00 32% off

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per 

MSD Blaster HVC Ignition Coils (8-Pack, Dual Plug): 2005 - 2025 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat
MSD Blaster HVC Ignition Coils (8-Pack, Dual Plug): 2005 - 2025 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat

MSD Blaster HVC Ignition Coils (8-Pack, Dual Plug): 2005 - 2023 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat

MSD Ignition
5.0 (2)

Regular price from $599.95 Up to 24% off

Unit price
per 

2 colors
Mopar Hellcat Lifters: Chrysler / Dodge / Ram / Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat / Trackhawk / TRX 2003 - 2025
usa

Brian Tooley Racing - Mopar Performance Hellcat Lifters: Chrysler / Dodge / Jeep 5.7L Hemi 2009 - 2023

Brian Tooley Racing
5.0 (1)

Regular price $199.99 $174.95 13% off

Unit price
per 

E3 Spark Plugs: Ram / Durango / Jeep Grand Cherokee 5.7L Hemi 2011 - 2025
E3 Spark Plugs: Ram / Durango / Jeep Grand Cherokee 5.7L Hemi 2011 - 2025

E3 Spark Plugs: Chrysler 300 / Dodge Challenger / Charger 5.7L Hemi 2011 - 2023

E3
5.0 (1)

Regular price $12.00 $8.49 29% off

Unit price
per 

Cometic Timing Cover Gasket Set: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk 2003 - 2025
Cometic Timing Cover Gasket Set: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk 2003 - 2025
usa
Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)
Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)

Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)

Vibrant
5.0 (1)

Regular price from $22.99 25% off

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per 

Cometic Intake Manifold Gasket Set (PAIR): Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023
Cometic Intake Manifold Gasket Set (PAIR): Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023
usa

Cometic Intake Manifold Gasket Set (PAIR): Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023

Cometic Gasket
5.0 (3)

Regular price $41.46 $37.32 10% off

Unit price
per 

Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
usa

Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Jeep 6.4L 392 2011 - 2024

Cometic Gasket
5.0 (3)

Regular price from $96.54 Up to 10% off

Unit price
per 

Cometic Water Pump Mounting Gasket: Chrysler / Dodge / Jeep  / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
Cometic Water Pump Mounting Gasket: Chrysler / Dodge / Jeep  / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
usa

Cometic Water Pump Mounting Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392

Cometic Gasket

Regular price $8.69 $7.82 10% off

Unit price
per 

Cometic Intake Manifold Gasket Set (Pair): Chrysler / Dodge / Jeep 6.1L SRT8 & 6.4L 392 2006 - 2025
Cometic Intake Manifold Gasket Set (Pair): Chrysler / Dodge / Jeep 6.1L SRT8 & 6.4L 392 2006 - 2025
usa

Cometic Intake Manifold Gasket Set (Pair): Chrysler / Dodge / Jeep 6.1L SRT8 & 6.4L 392 2006 - 2023

Cometic Gasket
5.0 (1)

Regular price $41.48 $37.33 10% off

Unit price
per 

Cometic Supercharger Plenum Gasket: Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023
Cometic Supercharger Plenum Gasket: Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023
usa

Cometic Supercharger Plenum Gasket: Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023

Cometic Gasket
5.0 (1)

Regular price $54.06 $48.67 10% off

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per 

Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
usa

Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392

Cometic Gasket
5.0 (2)

Regular price $4.05 $3.64 10% off

Unit price
per 

American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat / Trackhawk
American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat / Trackhawk
usa

American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram Vehicles

American Brother Designs
5.0 (1)

Regular price $174.50 $124.00 29% off

Unit price
per 

American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
usa

American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

Unit price
per 

Fast Hemis One-Click Stage 1 Kit: 2005-2010 Jeep Grand Cherokee 6.1L SRT8 (+48HP)
Fast Hemis One-Click Stage 1 Kit: 2005-2010 Jeep Grand Cherokee 6.1L SRT8 (+48HP)
Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price $914.40 $762.00 17% off

Unit price
per 

Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Challenger 5.7L Hemi (+47HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2014 Dodge Challenger 5.7L Hemi (+47HP)

E3 Spark Plugs: Chrysler 300 / Dodge Challenger / Charger 5.7L Hemi 2011 - 2024

E3
5.0 (2)

Regular price $12.00 $8.49 29% off

Unit price
per 

Cometic MLS Exhaust Manifold / Header Gaskets (Pair): Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2008
Cometic MLS Exhaust Manifold / Header Gaskets (Pair): Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2008
usa

Cometic MLS Exhaust Manifold / Header Gaskets (Pair): Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2008

Cometic Gasket

Regular price $44.19 $39.77 10% off

Unit price
per 

Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic
5.0 (1)

Regular price $718.80 $599.00 17% off

Unit price
per 

American Brother Designs PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
American Brother Designs PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
usa

American Brother Designs PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023

American Brother Designs
5.0 (2)

Regular price $154.50 $108.00 30% off

Unit price
per 

Cometic Oil Pan Gasket w/ Windage Tray: Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2023
Cometic Oil Pan Gasket w/ Windage Tray: Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2023
usa

Cometic Oil Pan Gasket w/ Windage Tray: Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2023

Cometic Gasket
5.0 (1)

Regular price $82.26 $74.04 10% off

Unit price
per 

Superior Automotive Hemi Valve Spring Tool: Chrysler, Dodge, Ram & Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat 2003 - 2025
Superior Automotive Hemi Valve Spring Tool: Chrysler, Dodge, Ram & Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat 2003 - 2025
usa

Superior Automotive Hemi Valve Spring Tool: Chrysler, Dodge & Jeep 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat 2003 - 2023

Superior Automotive Engineering

Regular price $299.99 $195.00 35% off

Unit price
per 

Enhance Your Jeep Grand Cherokee with Engine Performance Parts

Unlock the full potential of your Jeep Grand Cherokee with engine performance parts designed to improve power, throttle response, and reliability. This collection features precision-fit components that optimize airflow, fuel delivery, and tuning for a more efficient and responsive engine.

What are the benefits of upgrading engine performance parts on a Jeep Grand Cherokee?

Upgrading your Jeep Grand Cherokee’s engine components can significantly enhance driving dynamics by improving horsepower, torque, and throttle response. Performance parts like high-flow intakes and headers increase airflow, while fuel system upgrades ensure consistent delivery for better combustion efficiency. These improvements not only boost power but also refine engine sound and overall reliability.

  • Improved engine breathing for increased power output
  • Enhanced throttle response for quicker acceleration
  • Optimized fuel delivery for smoother performance
  • Durable components built to withstand daily driving and off-road conditions

How do I choose the right engine performance parts for my Jeep Grand Cherokee?

Selecting the right parts depends on your Jeep’s engine platform and your performance goals. Consider upgrades like cold air intakes and throttle bodies for better airflow, or programmers and tuners to optimize engine management. Always verify fitment for your specific model year and engine size to ensure seamless installation and maximum benefit.

What supporting modifications should I consider with engine upgrades?

To get the most from your engine performance parts, supporting modifications can help maintain balance and reliability. Upgrading your exhaust system complements intake and header improvements by reducing backpressure. Fuel system enhancements and custom tuning ensure your engine runs efficiently with the new parts installed. Explore our full range of Jeep Grand Cherokee engine upgrades at FastHemis to build a cohesive performance setup.

SELECT YOUR VEHICLE