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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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1360 Results

Manley Race Master 1.675" Bead Loc Groove Exhaust Valve Set: Fits Chrysler 2011-2024 6.4L 392 HEMI
Manley Race Master 1.675" Bead Loc Groove Exhaust Valve Set: Fits Chrysler 2011-2024 6.4L 392 HEMI
usa

Manley Race Master 1.675" Bead Loc Groove Exhaust Valve Set: Fits Chrysler 2011-2024 6.4L 392 HEMI

Manley Performance

Regular price $270.06 $202.55 25% off

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Manley Performance 6.4L Hemi 1.75cc Dome Piston Set: Extreme Duty
Manley Performance 6.4L Hemi 1.75cc Dome Piston Set: Extreme Duty
usa

Manley Performance 6.4L Hemi 1.75cc Dome Piston Set: Extreme Duty

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Performance Dodge Hemi 6.4L 4.1in Bore +20.50cc Platinum Series Dish Pistons Set - Set of 8
Manley Performance Dodge Hemi 6.4L 4.1in Bore +20.50cc Platinum Series Dish Pistons Set - Set of 8
usa

Manley Performance Dodge Hemi 6.4L 4.1in Bore +20.50cc Platinum Series Dish Pistons Set - Set of 8

Manley Performance

Regular price $1,046.35 $889.40 15% off

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per 

Manley Race Master 1.675" Triple Groove Exhaust Valve Set (F&R): 2011-2024 6.4L 392 HEMI
Manley Race Master 1.675" Triple Groove Exhaust Valve Set (F&R): 2011-2024 6.4L 392 HEMI
usa

Manley Race Master 1.675" Triple Groove Exhaust Valve Set (F&R): 2011-2024 6.4L 392 HEMI

Manley Performance

Regular price $270.06 $202.55 25% off

Unit price
per 

Manley Performance Dodge Hemi 6.4L 4.100 Inch Bore 1.75cc Dome Extreme Duty Piston Set
Manley Performance Dodge Hemi 6.4L 4.100 Inch Bore 1.75cc Dome Extreme Duty Piston Set
usa

Manley Performance Dodge Hemi 6.4L 4.100 Inch Bore 1.75cc Dome Extreme Duty Piston Set

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Performance Chrysler 6.4L Hemi 1.75cc Dome Piston Set: 4.090in Bore 3.724in Stroke 11:1 CR
Manley Performance Chrysler 6.4L Hemi 1.75cc Dome Piston Set: 4.090in Bore 3.724in Stroke 11:1 CR
usa

Manley Performance Chrysler 6.4L Hemi 1.75cc Dome Piston Set: 4.090in Bore 3.724in Stroke 11:1 CR

Manley Performance

Regular price $1,046.35 $889.40 15% off

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per 

Manley Performance Platinum Series Pistons: Chrysler Hemi 6.4L +.005in Oversize / 4.095in Bore -5.0cc Dish
Manley Performance Platinum Series Pistons: Chrysler Hemi 6.4L +.005in Oversize / 4.095in Bore -5.0cc Dish
usa

Manley Performance Platinum Series Pistons: Chrysler Hemi 6.4L +.005in Oversize / 4.095in Bore -5.0cc Dish

Manley Performance

Regular price $1,046.35 $889.40 15% off

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Manley Platinum Pistons -5.0cc Dish (SET): Fits Chrysler / Dodge / Ram (11-26)
Manley Platinum Pistons -5.0cc Dish (SET): Fits Chrysler / Dodge / Ram (11-26)
usa

Manley Platinum Pistons -5.0cc Dish (SET): Fits Chrysler / Dodge / Ram (11-26)

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Performance Chrysler 6.4L Hemi 4.100 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set
Manley Performance Chrysler 6.4L Hemi 4.100 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set
usa

Manley Performance Chrysler 6.4L Hemi 4.100 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

Unit price
per 

Manley Performance Chrysler 6.4L Hemi 4.090 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set
Manley Performance Chrysler 6.4L Hemi 4.090 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set
usa

Manley Performance Chrysler 6.4L Hemi 4.090 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Platinum +0.005in Oversize Pistons: Fits Chrysler / Dodge / Ram (11-26) -12.5cc Dish
Manley Platinum +0.005in Oversize Pistons: Fits Chrysler / Dodge / Ram (11-26) -12.5cc Dish
usa

Manley Platinum +0.005in Oversize Pistons: Fits Chrysler / Dodge / Ram (11-26) -12.5cc Dish

Manley Performance

Regular price $1,046.35 $889.40 15% off

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per 

usa

Victor Reinz 14-20 Chrysler 6.4L Cylinder Head Gasket Set

Victor Reinz

$532.33

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Manley Perf Stroker Series 6.1L Hemi 4.080in Bore Pistons (Set of 8): Fits Chrysler / Dodge (05-10)
Manley Perf Stroker Series 6.1L Hemi 4.080in Bore Pistons (Set of 8): Fits Chrysler / Dodge (05-10)
usa

Manley Perf Stroker Series 6.1L Hemi 4.080in Bore Pistons (Set of 8): Fits Chrysler / Dodge (05-10)

Manley Performance

Regular price $1,046.35 $889.40 15% off

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per 

Manley Perf Platinum Series 6.1L HEMI Stroker Piston Set of 8: Fits most 6.1L HEMI Models
Manley Perf Platinum Series 6.1L HEMI Stroker Piston Set of 8: Fits most 6.1L HEMI Models
usa

Manley Perf Platinum Series 6.1L HEMI Stroker Piston Set of 8: Fits most 6.1L HEMI Models

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Performance Platinum Series Forged Piston Set of 8: Chrysler / Dodge 6.1L Hemi (4.060in Bore)
Manley Performance Platinum Series Forged Piston Set of 8: Chrysler / Dodge 6.1L Hemi (4.060in Bore)
usa

Manley Performance Platinum Series Forged Piston Set of 8: Chrysler / Dodge 6.1L Hemi (4.060in Bore)

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Perf Extreme Pistons 6.1L Hemi 4.080in Bore 5cc Dome Set of 8: Fits Chrysler / Dodge (05-10)
Manley Perf Extreme Pistons 6.1L Hemi 4.080in Bore 5cc Dome Set of 8: Fits Chrysler / Dodge (05-10)
usa

Manley Perf Extreme Pistons 6.1L Hemi 4.080in Bore 5cc Dome Set of 8: Fits Chrysler / Dodge (05-10)

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

Unit price
per 

Manley Performance Stroker Series -11.5cc Dish Piston Set 4.080" Bore: Chrysler 300 / Dodge Charger / Challenger (HEMI 6.1L)
Manley Performance Stroker Series -11.5cc Dish Piston Set 4.080" Bore: Chrysler 300 / Dodge Charger / Challenger (HEMI 6.1L)
usa
Manley Perf 6.1L Hemi Stroker Forged Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10)
Manley Perf 6.1L Hemi Stroker Forged Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10)
usa

Manley Perf 6.1L Hemi Stroker Forged Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10)

Manley Performance

Regular price $1,046.35 $889.40 15% off

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per 

Manley Performance 5.7L Stroker Series Pistons: Chrysler 300 (05-08) / Dodge Charger (06-08)
Manley Performance 5.7L Stroker Series Pistons: Chrysler 300 (05-08) / Dodge Charger (06-08)
usa

Manley Performance 5.7L Stroker Series Pistons: Chrysler 300 (05-08) / Dodge Charger (06-08) 6.1L

Manley Performance

Regular price $1,046.35 $889.40 15% off

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per 

Manley Perf 4.08in Bore Stroker Series -1.5cc Flat Top Pistons: Fits most Hemi 6.1L
Manley Perf 4.08in Bore Stroker Series -1.5cc Flat Top Pistons: Fits most Hemi 6.1L
usa

Manley Perf 4.08in Bore Stroker Series -1.5cc Flat Top Pistons: Fits most Hemi 6.1L

Manley Performance

Regular price $1,046.35 $889.40 15% off

Unit price
per 

Manley Perf 6.1L Hemi 4.065in Bore Stroker -1.5cc Flat Top Piston Set: Fits most Hemi 6.1L
Manley Perf 6.1L Hemi 4.065in Bore Stroker -1.5cc Flat Top Piston Set: Fits most Hemi 6.1L
usa

Manley Perf 6.1L Hemi 4.065in Bore Stroker -1.5cc Flat Top Piston Set: Fits most Hemi 6.1L

Manley Performance

Regular price $1,046.35 $889.40 15% off

Unit price
per 

Manley Performance 11.5cc Dish Forged Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10)
Manley Performance 11.5cc Dish Forged Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10)
usa

Manley Performance 11.5cc Dish Forged Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10) 6.1L

Manley Performance

Regular price $1,046.35 $889.40 15% off

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per 

Manley Perf Platinum Series Piston Set +.020 Oversize 10.7: Fits Chrysler 6.1L HEMI
Manley Perf Platinum Series Piston Set +.020 Oversize 10.7: Fits Chrysler 6.1L HEMI
usa

Manley Perf Platinum Series Piston Set +.020 Oversize 10.7: Fits Chrysler 6.1L HEMI

Manley Performance

Regular price $1,046.35 $889.40 15% off

Unit price
per 

Manley Performance 6.1L Hemi 24cc Dish Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10)
Manley Performance 6.1L Hemi 24cc Dish Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10)
usa

Manley Performance 6.1L Hemi 24cc Dish Piston Set: Chrysler 300 / Dodge Charger / Challenger (05-10)

Manley Performance

Regular price $1,046.35 $889.40 15% off

Unit price
per 

Manley Performance Platinum Series 6.1L +.020in Oversize Bore Piston Set: Chrysler 300 / Charger / Challenger
Manley Performance Platinum Series 6.1L +.020in Oversize Bore Piston Set: Chrysler 300 / Charger / Challenger
usa

Manley Performance Platinum Series 6.1L +.020in Oversize Bore Piston Set: Chrysler 300 / Charger / Challenger

Manley Performance

Regular price $1,046.35 $889.40 15% off

Unit price
per 

Manley Perf 6.1L HEMI 4.080in Bore Pistons (F&R): Chrysler 300 / Dodge Charger / Challenger (05-10)
Manley Perf 6.1L HEMI 4.080in Bore Pistons (F&R): Chrysler 300 / Dodge Charger / Challenger (05-10)
usa

Manley Perf 6.1L HEMI 4.080in Bore Pistons (F&R): Chrysler 300 / Dodge Charger / Challenger (05-10)

Manley Performance

Regular price $1,046.35 $889.40 15% off

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per 

Victor Reinz Conversion Set: Chrysler 300 (05-10) / Dodge Charger / Magnum / Challenger SRT8 (06-10)
usa
Edelbrock Intake Manifold Gaskets Pair: Fits 05-10 6.1L HEMI
Edelbrock Intake Manifold Gaskets Pair: Fits 05-10 6.1L HEMI
American Brother Designs Radiator Cap Cover: 300, Challenger, Charger & Magnum 2005 - 2014
American Brother Designs Radiator Cap Cover: 300, Challenger, Charger & Magnum 2005 - 2014
usa

American Brother Designs Radiator Cap Cover: 300, Challenger, Charger & Magnum 2005 - 2014

American Brother Designs

Regular price $109.00 $59.00 46% off

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American Brother Designs Fuse Box Cover: Jeep Wrangler JK 2007 - 2018
American Brother Designs Fuse Box Cover: Jeep Wrangler JK 2007 - 2018
usa

American Brother Designs Fuse Box Cover: Jeep Wrangler JK 2007 - 2018

American Brother Designs

Regular price $205.00 $155.00 24% off

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American Brother Designs Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

American Brother Designs Master Cylinder Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Master Cylinder Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Master Cylinder Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $119.00 $69.00 42% off

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American Brother Designs Radiator Cap Cover: Jeep Wrangler / Gladiator (2018-2026)
American Brother Designs Radiator Cap Cover: Jeep Wrangler / Gladiator (2018-2026)
usa

American Brother Designs Radiator Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025
American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025
usa

American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

American Brother Designs Custom Radiator Cap Cover: Jeep Wrangler / Gladiator (2018-2026)
cbp
usa

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