OVER 20 YEARS IN BUSINESS

UNMATCHED CUSTOMER SERVICE

Your cart

Your cart is empty

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.

SELECT YOUR VEHICLE

1352 Results

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 (Set of 16)

E3

Regular price $192.00 $103.84 46% off

Unit price
per 

Fast Hemis One-Click Stage 1 Kit: 2022-2026 Jeep Grand Cherokee 5.7L Hemi (+50HP)
Fast Hemis One-Click Stage 1 Kit: 2022-2026 Jeep Grand Cherokee 5.7L Hemi (+50HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2022-2026 Jeep Grand Cherokee 5.7L Hemi (+50HP)

FastHemis

Regular price from $1,076.30 Up to 14% off

Unit price
per 

2 filter types
  • PRO DRY S (Dry Filter)
  • PRO 5R (Oiled Filter)
Fast Hemis One-Click Stage 1 Kit: 2022-2026 Jeep Grand Cherokee 3.6L V6 (+40HP)
Fast Hemis One-Click Stage 1 Kit: 2022-2026 Jeep Grand Cherokee 3.6L V6 (+40HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2022-2026 Jeep Grand Cherokee 3.6L V6 (+40HP)

FastHemis

Regular price from $820.94 11% off

Unit price
per 

2 filter types
  • PRO DRY S (Dry Filter)
  • PRO 5R (Oiled Filter)
Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 6.4L SRT8 (+65HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 6.4L SRT (+65HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 6.4L SRT8 (+65HP)

FastHemis

Regular price $2,132.82 from $1,954.30 Up to 8% off

Unit price
per 

Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 6.4L SRT (+65HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 6.4L SRT (+65HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 6.4L SRT (+65HP)

FastHemis

Regular price $2,132.82 from $1,954.30 Up to 8% off

Unit price
per 

Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 5.7L Hemi (+46HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 5.7L Hemi (+46HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 5.7L Hemi (+46HP)

FastHemis

Regular price from $1,076.30 Up to 14% off

Unit price
per 

2 filter types
  • Pro Dry S (Dry)
  • Pro 5R (Oiled)
Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 3.6L V6 (+51HP)
Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 3.6L V6 (+51HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2011-2021 Jeep Grand Cherokee 3.6L V6 (+51HP)

FastHemis

Regular price from $820.94 11% off

Unit price
per 

2 filter types
  • Pro 5R (Oiled)
  • Pro Dry-S (Non-Oiled)
Fast Hemis One-Click Stage 1 Kit: 2005-2010 Jeep Grand Cherokee 5.7L Hemi (+49HP)
Fast Hemis One-Click Stage 1 Kit: 2005-2010 Jeep Grand Cherokee 5.7L Hemi (+49HP)
Stage 1

Fast Hemis One-Click Stage 1 Kit: 2005-2010 Jeep Grand Cherokee 5.7L Hemi (+49HP)

FastHemis

Regular price $1,202.82 from $1,024.30 Up to 15% off

Unit price
per 

Cometic StreetPro Bottom End Gasket Kit (FRONT): Dodge 6.1L HEMI 2005-2010
Cometic StreetPro Bottom End Gasket Kit (FRONT): Dodge 6.1L HEMI 2005-2010
usa

Cometic StreetPro Bottom End Gasket Kit (FRONT): Dodge 6.1L HEMI 2005-2010

Cometic Gasket

Regular price $226.11 $210.28 7% off

Unit price
per 

Cometic MLS Head Gasket 0.086" Thickness (LH): Fits 03-08 & 09-24 5.7L VVT HEMI
Cometic MLS Head Gasket 0.086" Thickness (LH): Fits 03-08 & 09-24 5.7L VVT HEMI
usa

Cometic MLS Head Gasket 0.086" Thickness (LH): Fits 03-08 & 09-24 5.7L VVT HEMI

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Nitrous Express Single Nozzle Fly By Wire Jet Pack
Nitrous Express Single Nozzle Fly By Wire Jet Pack

Nitrous Express Single Nozzle Fly By Wire Jet Pack

Nitrous Express

$98.05

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