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.
Callies Compstar Forged 4340 Steel Crankshaft: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Callies
$1,196.00
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Callies Compstar Forged 4340 Steel Crankshaft: Fits Chrysler / Dodge / Jeep / Ram (05-26)
Callies
$1,011.00
- Unit price
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Callies Mopar Gen III Cast Iron Engine Block: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Callies
$3,186.85
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Callies Mopar Gen III Cast Iron Engine Block: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Callies
$2,791.20
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Callies Mopar Cast Iron Engine Block: Fits Most Chrysler / Dodge / Jeep / Ram 5.7L-6.4L Hemi Models
Callies
$3,170.66
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Callies Mopar Gen III Cast Iron Engine Block w/ OptiTorque Main Stud Kit: Fits most Hemi Models
Callies
$2,202.04
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Callies Mopar Gen III Cast Iron Engine Block w/ OptiTorque Main Stud Kit: Fits most Hemi Models
Callies
$2,180.24
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Callies Mopar Gen III Cast Iron Engine Block: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Callies
$2,772.51
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Callies Mopar Aftermarket Cast Iron Engine Block: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Callies
$6,039.00
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Callies Mopar Gen III Cast Iron Engine Block: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Callies
$1,610.00
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AFR Street Hawk CNC Gen 3 Hemi 195cc Bare Cylinder Head (RIGHT): Chrysler / Dodge / Jeep / Ram Hemi
AFR
$1,191.30
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Hellwig Load Pro 3-Leaf Helper Spring: Dodge Ram 1500 (2003-2008) / Ram 2500 (2003-2013) / Ram 3500 (2003-2022)
AFR
$1,191.30
- Unit price
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AFR Street Hawk CNC Gen 3 Hemi 195cc Cast Aluminum Cylinder Head (RIGHT): Fits most Hemi Models
AFR
$1,404.10
- Unit price
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AFR 212cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Head: Chrysler / Dodge / Jeep / Ram (05-26)
AFR
$1,714.75
- Unit price
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AFR 212cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Head: Fits most Hemi Models
AFR
$1,714.75
- Unit price
- /per
AFR 212cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads: Fits most Hemi Models
AFR
$1,999.75
- Unit price
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AFR 212cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Head (DRIVER): Fits most Hemi Models
AFR
$1,999.75
- Unit price
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AFR 224cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads Bare: Fits most Hemi Models
AFR
$1,714.75
- Unit price
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AFR 224cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads Bare: Fits most Hemi Models
AFR
$1,714.75
- Unit price
- /per
AFR 224cc Black Hawk Gen 3 Hemi Cylinder Head (PASS) Assembled: Fits most Hemi Models
AFR
$1,999.75
- Unit price
- /per
AFR 224cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads Assembled: Fits most Hemi Models
AFR
$1,999.75
- Unit price
- /per
AFR 224cc Black Hawk Gen 3 Hemi Cylinder Head (PASS): Fits Chrysler / Dodge / Jeep / Ram (05-24)
AFR
$1,714.75
- Unit price
- /per
AFR 224cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads: Fits most Hemi Models
AFR
$1,714.75
- Unit price
- /per
AFR 185cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Head (DRIVER): Fits most Hemi Models
AFR
$1,170.00
- Unit price
- /per
AFR 224cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Head (PASS): Fits most Hemi Models
AFR
$1,999.75
- Unit price
- /per
AFR 185cc Black Hawk Gen 3 Hemi Cylinder Heads: Fits Chrysler / Dodge / Jeep / Ram Hemi (02-26)
AFR
$1,047.60
- Unit price
- /per
AFR 224cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Head (DRIVER): Fits most Hemi Models
AFR
$1,999.75
- Unit price
- /per
AFR 185cc Black Hawk Gen 3 Hemi Cylinder Heads (BARE): Fits Chrysler / Dodge / Jeep / Ram (05-26)
AFR
$1,047.60
- Unit price
- /per
AFR 185cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads: Fits most Hemi Models
AFR
$1,170.00
- Unit price
- /per
AFR 212cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads: Fits most Hemi Models
AFR
$1,714.75
- Unit price
- /per
AFR 212cc Black Hawk Gen 3 Hemi Cylinder Heads (BARE): Fits Chrysler / Dodge / Jeep / Ram (05-26)
AFR
$1,714.75
- Unit price
- /per
AFR 212cc Black Hawk Gen 3 Hemi Cast Aluminum Cylinder Heads: Fits most Hemi 5.7 / 6.1 / 6.2 / 6.4L
AFR
$1,999.75
- Unit price
- /per
AFR 212cc Black Hawk Gen 3 Hemi Cast Aluminum Cyl Head: Fits most Hemi 5.7 / 6.1 / 6.2 / 6.4L
AFR
$1,999.75
- Unit price
- /per
Melling Hi-Perf Valve Spring Shim .050: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Melling
$26.99
- Unit price
- /per
Melling Engine Expansion Plug Kit: Fits Chrysler / Dodge / Jeep / Ram 2002-2026 5.7L / 6.1L / 6.2L / 6.4L
Melling
$45.99
- Unit price
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Melling Hi-Perf Chromoly Valve Spring Shims .006 (F&R): Fits Chrysler / Dodge / Jeep / Ram (02-26)
Melling
$26.99
- Unit price
- /per
Melling Engine Expansion Plug Kit: Fits Chrysler / Dodge / Jeep 2002-26 5.7L / 6.4L
Melling
$15.99
- Unit price
- /per
Melling Hi-Perf Valve Spring Shims .003 (F&R): Fits Chrysler / Dodge / Jeep / Ram (02-26)
Melling
$26.99
- Unit price
- /per
Melling Hi-Perf Valve Spring Shims .015: Fits Chrysler / Dodge / Jeep / Ram (02-26)
Melling
$28.99
- Unit price
- /per
Melling Perf Valve Spring Kit 348 PSI: Fits Chrysler/Dodge/Jeep/Ram 2009-2023 5.7L/6.4L
Melling
$387.19
- Unit price
- /per
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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.